IPCC:AR6/Data/Acronyms

IPCC AR6 Acronyms

This is a comprehensive list of acronyms from the IPCC Sixth Assessment Report (AR6). (Working group reports only)

1

1.5DS

Definition: 1.5 Degree Scenario

Report: SR1.5

2

20CR

Definition: 20th Century Reanalysis

Report: WGI

2DS

Definition: 2 Degree Scenario

Report: SR1.5

3

3-NOP

Definition: 3-Nitrooxypropanol

Report: SRCCL

3-PG

Definition: Physiological Processes Predicting Growth

Report: WGII

A

A/F

Definition: Afforestation/Reforestation

Report: SRCCL

A/R

Definition: Afforestation and Reforestation

Report: WGII

A/R

Definition: afforestation/reforestation

Report: WGIII

A1B

Definition: Special Report on Emissions Scenarios A1B scenario

Report: WGI

AABW

Definition: Antarctic Bottom Water

Report: SROCC

AABW

Definition: Antarctic bottom water

Report: WGI

AAI

Definition: Africa Adaptation Initiative

Report: WGII

AAIW

Definition: Antarctic intermediate water

Report: WGI

AAO

Definition: Antarctic Oscillation

Report: WGI

AAO

Definition: Antarctic Ocean Oscillation

Report: WGII

AAS

Definition: Australian Academy of Science

Report: WGII

AB

Definition: Assembly Bill

Report: WGIII

ABC

Definition: Low Carbon Agriculture Plan

Report: SRCCL

ABM

Definition: Agent-Based Model

Report: SRCCL

ABNJ

Definition: Areas Beyond National Jurisdiction

Report: SROCC, WGII

ABS

Definition: Australian Bureau of Statistics

Report: WGII

AC

Definition: Arctic Council

Report: SROCC

AC

Definition: Air Conditioning

Report: WGII

AC

Definition: alternating current

Report: WGIII

ACC

Definition: Antarctic Circumpolar Current

Report: SROCC, WGI

ACCC

Definition: Australian Competition and Consumer Commission

Report: WGII

ACCCRN

Definition: Asian Cities Climate Change Resilience Network

Report: WGII

ACCESS

Definition: Australian Community Climate and Earth-System Simulator

Report: SR1.5

ACCESS

Definition: Australian Community Climate and Earth System Simulator

Report: WGI

ACCMIP

Definition: Atmospheric Chemistry and Climate Model Intercomparison Project

Report: SR1.5, WGI

ACCRN

Definition: The Asian Cities Climate Change Resilience Network

Report: SR1.5

ACCTS

Definition: Agreement on Climate Change, Trade and Sustainability

Report: WGIII

ACE

Definition: Accumulated Cyclone Energy

Report: WGI

ACE

Definition: Antarctic Climate & Ecosystems Cooperative Research Centre

Report: WGII

ACF

Definition: areal carbon footprint

Report: WGIII

ACOLA

Definition: Australian Council of Learned Academies

Report: SR1.5

ACRE

Definition: Agriculture and Climate Risk Enterprise

Report: WGII

ACT

Definition: Australian Capital Territory

Report: WGII

ACs

Definition: Air Conditioners

Report: SR1.5

ADB

Definition: Asian Development Bank

Report: SR1.5, SRCCL, WGII

ADEME

Definition: Agence de l'Environnement et de la Maîtrise de l'Energie (French Environment and Energy Management Agency)

Report: WGIII

ADVANCE

Definition: Advanced Model Development and Validation for the Improved Analysis of Costs and Impacts of Mitigation Policies

Report: SR1.5

ADW

Definition: Alternate Drying and Wetting

Report: WGII

AED

Definition: atmospheric evaporative demand

Report: WGI

AEMO

Definition: Australian Energy Market Operator

Report: WGII

AERONET

Definition: Aerosol Robotic Network

Report: WGI

AEW

Definition: African Easterly Wave

Report: WGI

AEWC

Definition: Alaska Eskimo Whaling Commission

Report: SROCC

AEZ

Definition: Agro-Ecological Zone

Report: SR1.5

AF

Definition: airborne fraction of CO2

Report: WGI

AF

Definition: Africa / Agroecological Farming

Report: WGII

AF

Definition: Adaptation Fund

Report: WGIII

AFD

Definition: French Development Agency

Report: WGIII

AFOLU

Definition: Agriculture, Forestry and Other Land-Use

Report: SR1.5

AFOLU

Definition: Agriculture, Forestry and Other Land Use

Report: SRCCL, SYR, WGII

AFOLU

Definition: agriculture, forestry and other land use

Report: WGI, WGIII

AFR

Definition: Africa

Report: WGI, WGIII

AFSI

Definition: Australian Sustainable Finance Initiative

Report: WGII

AGAGE

Definition: Advanced Global Atmospheric Gases Experiment

Report: WGI, WGIII

AGCM

Definition: Atmospheric General Circulation Model

Report: SR1.5

AGCM

Definition: atmospheric global climate model

Report: WGI

AGFP

Definition: absolute global forcing potential

Report: WGI

AGR/ECOL

Definition: agriculture and ecological droughts

Report: WGI

AGRA

Definition: Alliance for a Green Revolution in Africa

Report: SRCCL

AGTP

Definition: absolute global temperature change potential

Report: WGI

AGWP

Definition: absolute global warming potentials

Report: WGI

AHP

Definition: Analytic Hierarchy Processing

Report: WGII

AI

Definition: Artificial Intelligence

Report: SR1.5, WGII

AI

Definition: Aridity Index

Report: SRCCL

AI

Definition: artificial intelligence

Report: WGIII

AIDR

Definition: Australian Institute for Disaster Resilience

Report: WGII

AIHW

Definition: Australian Institute of Health and Welfare

Report: WGII

AILAC

Definition: Association of the Latin American and Caribbean Countries

Report: WGIII

AIM

Definition: Asia-Pacific Integrated Model

Report: SR1.5

AIRS

Definition: Atmospheric Infrared Sounder

Report: WGI

AIS

Definition: Antarctic Ice Sheet

Report: SROCC, WGI

AK

Definition: Alaska

Report: WGII

ALA

Definition: Alaska/Northwest Canada

Report: SR1.5

ALBA

Definition: Alianza Bolivariana para los Pueblos de Nuestra América (Bolivarian Alliance for the Peoples of our Americas)

Report: WGIII

ALCA

Definition: Attributional Life Cycle Assessment

Report: WGIII

ALL

Definition: all forcings

Report: WGI

ALT

Definition: Active-Layer Thickness

Report: SROCC

ALT

Definition: active layer thickness

Report: WGI

ALT

Definition: Active Layer Thickness

Report: WGII

AM

Definition: additive manufacturing

Report: WGIII

AMAP

Definition: Arctic Monitoring and Assessment Programme

Report: SR1.5

AMIP

Definition: Atmospheric Model Intercomparison Project

Report: WGI

AMM

Definition: Atlantic Meridional Mode

Report: WGI

AMMA

Definition: African Monsoon Multidisciplinary Analyses

Report: WGI

AMO

Definition: Atlantic Multi-decadal Oscillation

Report: SRCCL, WGI

AMO

Definition: Atlantic Multidecadal Oscillation

Report: SROCC, WGII

AMOC

Definition: Atlantic Meridional Overturning Circulation

Report: SR1.5, SROCC, WGI, WGII

AMP

Definition: Adjusting Mitigation Pathway

Report: SR1.5

AMSU

Definition: Advanced Microwave Sounding Unit

Report: WGI

AMV

Definition: Atlantic Multidecadal Variability

Report: SROCC

AMV

Definition: Atlantic Multi-decadal Variability

Report: WGI

AMZ

Definition: Amazon

Report: SR1.5

ANPP

Definition: Annual Net Primary Productivity

Report: WGII

ANT

Definition: Antarctica

Report: SR1.5

AO

Definition: Arctic Oscillation

Report: WGI

AOD

Definition: aerosol optical depth

Report: WGI

AOGCM

Definition: Atmosphere-Ocean General Circulation Model

Report: SROCC

AOGCM

Definition: atmosphere–ocean general circulation model

Report: WGI

AOGCM

Definition: Atmosphere–Ocean General Circulation Model

Report: WGII

AOSIS

Definition: Alliance of Small Island States

Report: WGII

AP

Definition: Antarctic Peninsula

Report: SROCC, WGI

APEC

Definition: Asia-Pacific Economic Cooperation

Report: WGIII

APEX

Definition: Air Pollutants Exposure Model

Report: SR1.5

APP

Definition: Agricultural Adaptation and Perception

Report: WGII

APRA

Definition: Australian Prudential Regulation Authority

Report: WGII

AQ

Definition: air quality

Report: WGI

AR

Definition: Afforestation and Reforestation

Report: SR1.5, SRCCL

AR

Definition: atmospheric river

Report: WGI

AR

Definition: Atmospheric River / Assessment Report

Report: WGII

AR4

Definition: IPCC Fourth Assessment Report

Report: SR1.5, WGI, WGII

AR4

Definition: IPCC 4th Assessment Report

Report: SROCC

AR4

Definition: Fourth Assessment Report of the Intergovernmental Panel on Climate Change

Report: WGIII

AR5

Definition: IPCC Fifth Assessment Report

Report: SR1.5, WGI, WGII

AR5

Definition: Fifth Assessment Report

Report: SRCCL, SYR

AR5

Definition: IPCC 5th Assessment Report

Report: SROCC

AR5

Definition: Fifth Assessment Report of the Intergovernmental Panel on Climate Change

Report: WGIII

AR6

Definition: IPCC Sixth Assessment Report

Report: SR1.5, WGI, WGII

AR6

Definition: IPCC 6th Assessment Report

Report: SROCC

AR6

Definition: Sixth Assessment Report

Report: SYR

AR6

Definition: Sixth Assessment Report of the Intergovernmental Panel on Climate Change

Report: WGIII

AR7

Definition: Seventh Assessment Cycle of the Intergovernmental Panel on Climate Change

Report: WGIII

ARA

Definition: Arab Region of Asia

Report: WGII

ARC

Definition: Arctic

Report: SR1.5

ARC

Definition: Africa Risk Capacity

Report: SRCCL

ARC

Definition: African Risk Capacity

Report: WGIII

ARI

Definition: Acute Respiratory Infection

Report: WGII

ARM

Definition: Adaptive Risk Management

Report: SRCCL

ARO

Definition: Arctic Ocean

Report: WGI

ARP

Definition: Arabian Peninsula

Report: WGI

ARPA-E

Definition: Advanced Research Projects Agency-Energy

Report: WGIII

ARS

Definition: Arabian Sea

Report: WGI

ART

Definition: Architecture for REDD+ Transactions

Report: WGIII

ASAP

Definition: Adaptation for Smallholder Agriculture Programme

Report: WGIII

ASBEC

Definition: Australian Sustainable Built Environment Council

Report: WGII

ASCM

Definition: Agreement on Subsidies and Countervailing Measures

Report: WGIII

ASE

Definition: Amundsen Sea Embayment

Report: SROCC, WGI, WGII

ASEAN

Definition: Association of Southeast Asian Nations

Report: SR1.5, WGII

ASF

Definition: Animal Sourced Foods

Report: SRCCL

ASF

Definition: Animal Sourced Food

Report: SROCC

ASFI

Definition: Australian Sustainable Finance Initiative

Report: WGII

ASI

Definition: Avoid-Shift-Improve

Report: WGIII

ASIA

Definition: Non-OECD Asia

Report: SR1.5

ASK

Definition: available seat kilometres

Report: WGIII

ASP

Definition: Adaptive Social Protection

Report: WGII

AT

Definition: Air Temperature / Austria

Report: WGII

ATLAS

Definition: Adaptation Thought Leadership and Assessments

Report: WGII

ATS

Definition: Antarctic Treaty System

Report: SROCC

AU

Definition: African Union

Report: WGII

AUC

Definition: Area under the Curve

Report: WGII

AUD

Definition: Australian Dollar

Report: SR1.5

AUM

Definition: assets under management

Report: WGIII

AUP

Definition: Auckland Unitary Plan

Report: WGII

AUS

Definition: Australasia

Report: WGI

AVHRR

Definition: Advanced High Resolution Radiometer

Report: SRCCL

AVHRR

Definition: Advanced Very High Resolution Radiometer

Report: WGI

AWD

Definition: Alternate Wetting and Drying

Report: SRCCL

AZM

Definition: Atlantic Zonal Modes

Report: WGI

AerChemMIP

Definition: Aerosol Chemistry Model Intercomparison Project

Report: SRCCL

AerChemMIP

Definition: Aerosols and Chemistry Model Intercomparison Project

Report: WGI

AeroCom

Definition: Aerosol Comparisons between Observations and Models project

Report: WGI

AfDB

Definition: African Development Bank

Report: SR1.5, WGII

AgMIP

Definition: Agricultural Model Intercomparison and Improvement Project

Report: SRCCL, WGII

Art.

Definition: Article (e.g., of the UNFCCC)

Report: WGIII

AusMCM

Definition: Australian–Maritime Continent monsoon

Report: WGI

a.s.l.

Definition: Above Sea Level

Report: SROCC

abrupt4xCO2

Definition: Scenario with abrupt quadrupling of the atmospheric concentration of carbon dioxide

Report: WGI

B

B2DS

Definition: Beyond 2 Degrees Scenario

Report: SR1.5

BAPEN

Definition: British Association for Parenteral and Enteral Nutrition

Report: SRCCL

BASIC

Definition: Brazil, South Africa, India, China

Report: SR1.5

BASIC

Definition: Brazil, South Africa, India and China

Report: WGIII

BAT

Definition: best available technology

Report: WGIII

BAU

Definition: Business as Usual

Report: SRCCL

BAU

Definition: Business-as-Usual

Report: WGII

BAU

Definition: business as usual

Report: WGIII

BC

Definition: Black Carbon

Report: SR1.5, SROCC

BC

Definition: Biochar / Black Carbon

Report: SRCCL

BC

Definition: black carbon

Report: WGI, WGIII

BC

Definition: British Columbia

Report: WGII

BCA

Definition: border carbon adjustment

Report: WGIII

BCC-CSM

Definition: Beijing Climate Center Climate System Model

Report: SR1.5

BCE

Definition: Before the Common Era

Report: WGI

BCH

Definition: Built Cultural Heritage

Report: WGII

BCM

Definition: Bergen Climate Model

Report: SR1.5

BCP

Definition: biological carbon pump

Report: WGI

BCR

Definition: Benefit Cost Ratio

Report: SRCCL

BCR

Definition: Benefit-to-Cost Ratio

Report: WGII

BDP

Definition: The Bangladesh Delta Plan

Report: WGII

BE

Definition: Bioenergy

Report: SRCCL

BE

Definition: Berkeley Earth

Report: WGI

BE

Definition: Belgium

Report: WGII

BECCS

Definition: Bioenergy with Carbon dioxide Capture and Storage

Report: SR1.5

BECCS

Definition: Bioenergy with Carbon Capture and Storage

Report: SRCCL, SROCC, WGII

BECCS

Definition: Bioenergy with Carbon Dioxide Capture and Storage

Report: SYR

BECCS

Definition: bioenergy with carbon capture and storage

Report: WGI, WGIII

BEES

Definition: building energy efficiency standards

Report: WGIII

BEFM

Definition: Bio-Economic Farm Model

Report: SRCCL

BEMS

Definition: building energy management systems

Report: WGIII

BEST

Definition: Berkeley Earth Surface Temperature

Report: SRCCL

BET

Definition: Basic Energy systems, Economy, Environment, and End-use Technology Model

Report: SR1.5

BEV

Definition: Battery Electric Vehicle

Report: SR1.5

BEV

Definition: battery electric vehicle

Report: WGIII

BF-BOF

Definition: blast furnace-basic oxygen furnace

Report: WGIII

BFV

Definition: Barmah Forest Virus

Report: WGII

BIM

Definition: Building Information Modelling

Report: WGIII

BIPV

Definition: building-integrated photovoltaic

Report: WGIII

BLUE

Definition: Bookkeeping of land-use emissions

Report: WGIII

BMPs

Definition: Best Management Practices

Report: WGII

BNEF

Definition: Bloomberg New Energy Finance

Report: SR1.5

BNU

Definition: Beijing Normal University

Report: SR1.5

BOB

Definition: Bay of Bengal

Report: WGI

BOM

Definition: Bureau of Meteorology

Report: WGII

BORDA

Definition: Bremen Overseas Research & Development Association

Report: WGII

BP

Definition: before the present

Report: WGI

BPE

Definition: Biomass Production Efficiency

Report: SRCCL

BR

Definition: Biennial Report

Report: WGII

BR

Definition: biennial report

Report: WGIII

BRI

Definition: Belt and Road Initiative

Report: WGII, WGIII

BRICS

Definition: Brazil, Russia, India, China and South Africa

Report: WGII

BRT

Definition: Bus Rapid Transit

Report: SR1.5

BRT

Definition: bus rapid transport

Report: WGIII

BSISO

Definition: boreal summer intra-seasonal oscillation

Report: WGI

BTM

Definition: Bhutanese Traditional Medicine

Report: WGII

BTR

Definition: biennial transparency report

Report: WGIII

BTU

Definition: British thermal units

Report: WGIII

BTV

Definition: Blue-Tongue Virus

Report: SRCCL

BU

Definition: bottom up

Report: WGI

BUR

Definition: Biannual Update Report

Report: SRCCL

BUR

Definition: biennial update report

Report: WGIII

BVOC

Definition: Biogenic Volatile Organic Compounds

Report: SRCCL, WGII

BVOC

Definition: biogenic volatile organic compound

Report: WGI

BrC

Definition: Brown Carbon

Report: SRCCL

BrC

Definition: brown carbon

Report: WGI

C

C

Definition: Carbon

Report: SR1.5, SRCCL

C&S

Definition: Cities and Settlements

Report: WGII

C-ROADS

Definition: Climate Rapid Overview And Decision-support Simulator

Report: SR1.5

C3S

Definition: Copernicus Climate Change Service

Report: WGI

C4MIP

Definition: Coupled Climate Carbon Cycle Model Intercomparison Project

Report: WGI

CA

Definition: Conservation Agriculture

Report: SR1.5, SRCCL, WGII

CA

Definition: capability approach

Report: WGIII

CABI

Definition: Centre for Agriculture and Bioscience International

Report: SRCCL

CACILM

Definition: Central Asian Countries Initiative for Land Management

Report: SRCCL

CAF

Definition: Corporacion Andina de Fomento (Development Bank of Latin America)

Report: SR1.5

CAF

Definition: Central Africa

Report: WGI

CAFO

Definition: Concentrated Animal Feeding Operations

Report: SRCCL

CAGR

Definition: compound annual growth rate

Report: WGIII

CAIT

Definition: Climate Analysis Indicators Tool

Report: WGIII

CAM

Definition: Central America/Mexico or Community Atmosphere Model

Report: SR1.5

CAM

Definition: Central America

Report: WGI

CAM

Definition: Crassulacean Acid Metabolism

Report: WGII

CAMPA

Definition: Compensatory Afforestation Management and Planning Authority

Report: SRCCL

CAMS

Definition: Copernicus Atmosphere Monitoring Service

Report: WGI

CAMx

Definition: Comprehensive Air Quality Model with Extensions

Report: SR1.5

CAO

Definition: Central Arctic Ocean

Report: SROCC

CAPE

Definition: convective available potential energy

Report: WGI

CAPEX

Definition: capital expenditure

Report: WGIII

CAR

Definition: Small Islands Regions Caribbean

Report: SR1.5

CAR

Definition: Caribbean

Report: WGI

CAR

Definition: Climate Action Reserve

Report: WGIII

CAS

Definition: Central Asia

Report: SR1.5

CAT

Definition: Climate Action Tracker

Report: WGIII

CATDDO

Definition: Catastrophe Risk Deferred Drawdown Option

Report: SRCCL

CAU

Definition: Central Australia

Report: WGI

CBA

Definition: Cost-Benefit Analysis

Report: SR1.5

CBA

Definition: Community-based Adaptation/Cost Benefit Analysis

Report: SRCCL

CBA

Definition: Community-Based Adaptation / Commonwealth Bank of Australia

Report: WGII

CBA

Definition: cost-benefit analysis

Report: WGIII

CBAM

Definition: carbon border adjustment mechanism

Report: WGIII

CBCF

Definition: consumption-based carbon footprint (accounting)

Report: WGIII

CBD

Definition: Convention on Biological Diversity

Report: SR1.5, SROCC, WGII, WGIII

CBD

Definition: United Nations Convention on Biodiversity

Report: SRCCL

CBDR-RC

Definition: Common But Differentiated Responsibilities and Respective Capabilities

Report: SR1.5

CBDRRC

Definition: common but differentiated responsibilities and respective capabilities

Report: WGIII

CBEs

Definition: consumption-based emissions

Report: WGIII

CBM

Definition: Community-based Monitoring

Report: SROCC

CBO

Definition: Community-Based Organisations

Report: WGII

CBS & GNH

Definition: Centre for Bhutan Studies and Gross National Happiness Research

Report: SR1.5

CBs

Definition: Central Banks

Report: WGII

CC

Definition: Carbon Capture

Report: SR1.5, SRCCL

CCA

Definition: Climate Change Adaptation

Report: SRCCL

CCA

Definition: Climate-Change Adaptation

Report: WGII

CCAC

Definition: Climate and Clean Air Coalition

Report: WGIII

CCAFS

Definition: CGIAR Research Program on Climate Change, Agriculture and Food Security

Report: SRCCL

CCAFS

Definition: Climate Change, Agriculture and Food Security

Report: WGII

CCAM

Definition: Conformal Cubic Atmospheric Model

Report: SR1.5

CCAMLR

Definition: Convention for the Conservation of Antarctic Marine Living Resources

Report: SROCC

CCATWG

Definition: Climate Change Adaptation Technical Working Group

Report: WGII

CCC

Definition: Constant Composition Commitment

Report: SR1.5

CCC

Definition: Climate Change Committee

Report: WGII

CCCma

Definition: Canadian Centre for Climate Modelling and Analysis

Report: SR1.5

CCD

Definition: Climate Compatible Development

Report: WGII

CCD

Definition: climate-compatible development

Report: WGIII

CCDMF

Definition: China Clean Development Mechanism Fund

Report: WGII

CCE

Definition: Climate-Change Education

Report: WGII

CCM

Definition: chemistry–climate model

Report: WGI

CCMI

Definition: Chemistry–Climate Modelling Initiative

Report: WGI

CCN

Definition: Cloud Condensation Nuclei

Report: SRCCL

CCN

Definition: cloud condensation nuclei

Report: WGI

CCP

Definition: Cross-Chapter Paper

Report: WGII

CCPI

Definition: Climate Change Performance Index

Report: WGIII

CCRA

Definition: Climate Change Response Act

Report: WGII

CCRIF

Definition: Caribbean Catastrophe Risk Insurance Facility

Report: SR1.5, SRCCL, WGII, WGIII

CCS

Definition: Carbon dioxide Capture and Storage

Report: SR1.5

CCS

Definition: Carbon dioxide Capture and Storage / Carbon Capture and Storage

Report: SRCCL

CCS

Definition: Carbon Capture and Storage

Report: SYR, WGII

CCS

Definition: carbon dioxide capture and storage

Report: WGI

CCS

Definition: carbon capture and storage

Report: WGIII

CCSM

Definition: Community Climate System Model

Report: SR1.5

CCT

Definition: Cirrus Cloud Thinning

Report: SR1.5, WGII

CCT

Definition: cirrus cloud thinning

Report: WGI, WGIII

CCU

Definition: Carbon dioxide Capture and Utilisation

Report: SR1.5

CCU

Definition: Carbon Capture and Usage

Report: SRCCL

CCU

Definition: Carbon Capture and Utilization

Report: SYR

CCU

Definition: Carbon Dioxide Capture and Utilisation

Report: WGII

CCU

Definition: carbon capture and utilisation

Report: WGIII

CCUS

Definition: Carbon dioxide Capture, Utilisation and Storage

Report: SR1.5

CCUS

Definition: carbon capture, use and storage

Report: WGIII

CCX

Definition: Chicago Climate Exchange

Report: WGIII

CD

Definition: cooling degree days

Report: WGI

CD

Definition: charge depleting

Report: WGIII

CD-LINKS

Definition: Linking Climate and Development Policies – Leveraging International Networks and Knowledge Sharing

Report: SR1.5

CDC

Definition: Community Development Committees

Report: WGII

CDD

Definition: Consecutive Dry Days

Report: SR1.5, WGII

CDD

Definition: consecutive dry days

Report: WGI

CDD

Definition: cooling degree-days

Report: WGIII

CDEM

Definition: Civil Defence & Emergency Management

Report: WGII

CDIAC

Definition: Carbon Dioxide Information Analysis Center

Report: WGIII

CDKN

Definition: Climate & Development Knowledge Network

Report: WGII

CDM

Definition: Clean Development Mechanism

Report: SR1.5, SRCCL, WGII, WGIII

CDMC

Definition: Community Disaster Management Committees

Report: WGII

CDP

Definition: Carbon Disclosure Project

Report: SR1.5, SRCCL

CDR

Definition: Carbon Dioxide Removal

Report: SR1.5, SRCCL, SROCC, SYR, WGII

CDR

Definition: carbon dioxide removal

Report: WGI, WGIII

CDRMIP

Definition: Carbon Dioxide Removal Model Intercomparison Project

Report: WGI

CDW

Definition: Circumpolar Deep Water

Report: WGI

CE

Definition: Common Era

Report: WGI

CE

Definition: Circular Economy

Report: WGII

CE

Definition: circular economy

Report: WGIII

CEA

Definition: Cost-Effectiveness Analysis

Report: SR1.5

CEA

Definition: Cost Effectiveness Analysis

Report: SRCCL

CEA

Definition: cost-effectiveness analysis

Report: WGIII

CEC

Definition: Clean Energy Council

Report: SR1.5

CEC

Definition: Commission of the European Communities

Report: SRCCL

CEDS

Definition: Community Emissions Data System

Report: SR1.5, WGI, WGIII

CEIC

Definition: Census and Economic Information Center

Report: WGII

CEMICS

Definition: Contextualizing Climate Engineering and Mitigation: Illusion, Complement or Substitute?

Report: SR1.5

CEN-SAD

Definition: The Community of Sahel-Saharan States

Report: SRCCL

CER

Definition: Certified Emissions Reduction

Report: WGII

CERES

Definition: Clouds and the Earth's Radiant Energy System

Report: WGI

CES

Definition: Constant Elasticity of Substitution

Report: SR1.5

CES

Definition: Cultural Ecosystem Services / Circulating and Ecological Sphere

Report: WGII

CESM

Definition: Community Earth System Model

Report: SR1.5, WGI

CETA

Definition: EU-Canada Comprehensive Economic and Trade Agreement

Report: WGIII

CEU

Definition: Central Europe

Report: SR1.5

CFC

Definition: Chlorofluorocarbons

Report: SROCC

CFC

Definition: Chlorofluorocarbon

Report: WGII

CFCs

Definition: Chlorofluorocarbons

Report: SR1.5

CFCs

Definition: chlorofluorocarbons

Report: WGI, WGIII

CFL

Definition: compact fluorescent lamp [/lighting]

Report: WGIII

CFM

Definition: Community Forest Management

Report: WGII

CFMIP

Definition: Cloud Feedback Model Intercomparison Project

Report: WGI

CFP

Definition: Ciguatera Fish Poisoning

Report: WGII

CFPP

Definition: Coal-Fired Power Plant

Report: WGII

CFS

Definition: Committee on World Food Security

Report: SRCCL

CFSR

Definition: Climate Forecast System Reanalysis

Report: WGI

CGCM

Definition: Coupled Global Climate Model

Report: SR1.5

CGE

Definition: Computable General Equilibrium

Report: SR1.5, WGII, WGIII

CGI

Definition: Canada/Greenland/Iceland

Report: SR1.5

CGIAR

Definition: Consultative Group on International Agricultural Research

Report: SR1.5, WGII

CGIAR-

Definition: Consultative Group on International Agricultural Research

Report: SRCCL

CGRA

Definition: Coordinated Global and Regional Assessment

Report: SRCCL

CGRA

Definition: Coordinated Global and Regional Assessments

Report: WGII

CGTP

Definition: combined global temperature change potential

Report: WGI, WGIII

CH

Definition: Switzerland

Report: WGII

CH4

Definition: Methane

Report: SR1.5, SRCCL, SYR

CH4

Definition: methane

Report: WGI, WGIII

CHIKV

Definition: Chikungunya Virus

Report: WGII

CHIRPS

Definition: Climate Hazards Group Infrared Precipitation with Station

Report: SRCCL

CHL

Definition: Chlorophyll a

Report: WGII

CHMI

Definition: Czech Hydrometeorological Institute

Report: SRCCL

CHP

Definition: Combined Heat and Power

Report: SR1.5, SRCCL

CHP

Definition: combined heat and power

Report: WGIII

CI

Definition: Confidence Interval

Report: SR1.5, SRCCL

CIAT

Definition: International Centre for Tropical Agriculture

Report: SRCCL

CICERO

Definition: Center for International Climate and Environment Research

Report: WGI

CICES

Definition: Common International Classification of Ecosystem Services

Report: WGII

CID

Definition: Climatic impact-driver

Report: SYR

CID

Definition: climatic impact-driver

Report: WGI

CID

Definition: Climate-Impact Driver

Report: WGII

CII

Definition: Carbon Intensity Indicator

Report: WGIII

CIPHET

Definition: Central Institute of Post-Harvest Engineering and Technology

Report: SRCCL

CIRED

Definition: Centre International de Recherche sur l'Environnement et le Développement

Report: SR1.5

CIREN

Definition: Centro de Información de Recursos Naturales

Report: SRCCL

CIS

Definition: Climate Information Services

Report: WGII

CISL

Definition: Cambridge Institute for Sustainability Leadership

Report: SR1.5

CISM2

Definition: Community Ice Sheet Model 2

Report: WGI

CLASP

Definition: Collaborative Labelling and Appliance Standards Program

Report: WGIII

CLC

Definition: constant land cover

Report: WGIII

CLCA

Definition: Consequential Life Cycle Assessment

Report: WGIII

CLIMI

Definition: Climate Laws, Institutions and Measures Index

Report: WGIII

CLLJ

Definition: Caribbean low-level jet

Report: WGI

CLM

Definition: Climate Limited-area Modelling

Report: SR1.5

CLP

Definition: Community Learning Platform

Report: WGII

CLRTAP

Definition: Convention on Long-Range Transboundary Air Pollution

Report: WGIII

CLSAT

Definition: China Land Surface Air Temperature

Report: WGI

CLT

Definition: cross-laminated timber

Report: WGIII

CM

Definition: Cultured Meat

Report: SRCCL

CMA

Definition: Conference of the Parties serving as the meeting of the Parties to the Paris Agreement

Report: WGIII

CMAP

Definition: NOAA Climate Prediction Center Merged Analysis of Precipitation

Report: WGI

CMAQ

Definition: Community Multiscale Air Quality Modeling System

Report: SR1.5

CMIE

Definition: Centre of Monitoring the Indian Economy

Report: SRCCL

CMIP

Definition: Coupled Model Intercomparison Project

Report: SROCC, WGI, WGII

CMIP3

Definition: Coupled Model Intercomparison Project Phase 3

Report: SR1.5, SROCC, WGI, WGII

CMIP5

Definition: Coupled Model Intercomparison Project Phase 5

Report: SR1.5, SRCCL, SROCC, SYR, WGI, WGII

CMIP6

Definition: Coupled Model Intercomparison Project Phase 6

Report: SR1.5, SRCCL, SROCC, SYR, WGI, WGII, WGIII

CMR

Definition: Crude Mortality Rate

Report: WGII

CMSI

Definition: Climate Measurement Standards Initiative

Report: WGII

CNA

Definition: Central North America

Report: SR1.5, WGI

CNG

Definition: compressed natural gas

Report: WGIII

CNRM

Definition: Centre National de Recherches Météorologiques

Report: SR1.5

CNRM

Definition: Centre National de la Recherche Météorologique

Report: WGI

CO

Definition: Carbon monoxide

Report: SR1.5, SRCCL

CO

Definition: carbon monoxide

Report: WGI, WGIII

CO2

Definition: Carbon dioxide

Report: SR1.5, SRCCL

CO2

Definition: Carbon Dioxide

Report: SYR

CO2

Definition: carbon dioxide

Report: WGI, WGIII

CO2-FFI

Definition: CO2 from Fossil Fuel combustion and Industrial processes

Report: SYR

CO2-LULUCF

Definition: CO2 from Land Use, Land-Use Change and Forestry

Report: SYR

CO2-eq

Definition: Carbon Dioxide Equivalent

Report: SYR

CO2-eq

Definition: carbon dioxide equivalent

Report: WGI, WGIII

CO2e

Definition: Carbon dioxide equivalent

Report: SR1.5, SRCCL

CO2eq

Definition: Carbon dioxide equivalent

Report: SR1.5, SRCCL

COAG

Definition: Council of Australian Governments

Report: WGII

COBE

Definition: Centennial in situ Observation-Based Estimates of Sea Surface Temperature

Report: WGI

CODOHSAPA

Definition: Centre for Dialogue on Human Settlement and Poverty Alleviation

Report: WGII

COMMIT

Definition: Climate policy assessment and Mitigation Modelling to Integrate national and global Transition pathways

Report: WGIII

COP

Definition: Conference of the Parties

Report: SR1.5, SRCCL, WGII

COP

Definition: Conference of Parties

Report: SROCC

COP

Definition: Conference of the Parties to the UNFCCC

Report: WGIII

COP16

Definition: 16th Session of the Conference of the Parties

Report: WGII

COP19

Definition: 19th Session of the Conference of the Parties

Report: WGII

COP26

Definition: 26th Session of the Conference of the Parties

Report: WGII

COPD

Definition: Chronic Obstructive Pulmonary Disease

Report: WGII

COPPE-COFFEE

Definition: Programa de Planejamento Energético – COmputable Framework For Energy and the Environment

Report: SR1.5

CORDEX

Definition: Coordinated Regional Climate Downscaling Experiment

Report: SR1.5, WGI, WGII

CORSIA

Definition: Carbon Offsetting and Reduction Scheme for International Aviation

Report: WGIII

COSMO

Definition: Consortium for Small-scale Modeling

Report: SR1.5, WGI

COSSAO

Definition: Corporación De Servicios De Salud Y Desarrollo Socioeconómico, El Otoao

Report: WGII

COVID-19

Definition: coronavirus disease of 2019

Report: WGI

COVID-19

Definition: Coronavirus Disease 2019

Report: WGII

COWCLIP

Definition: Coordinated Ocean Wave Climate Project

Report: SROCC

CP

Definition: Central Pacific

Report: WGI

CPA

Definition: Conservation Priority Areas

Report: WGII

CPI

Definition: Climate Policy Initiative / Climate Policy Integration

Report: WGII

CPM

Definition: convection-permitting model

Report: WGI

CPR

Definition: Continuous Plankton Recorder

Report: SROCC

CPRS

Definition: Climate Policy Relevant Sectors

Report: WGIII

CPTPP

Definition: Comprehensive and Progressive Agreement for Trans-Pacific Partnership

Report: WGIII

CRA

Definition: climate risk and adaptation assessment

Report: WGI

CRC

Definition: Climate Resilient City

Report: WGII

CRCM

Definition: Canadian Regional Climate Model

Report: SR1.5, SRCCL

CRD

Definition: Climate Resilient Development

Report: SYR, WGII

CRD

Definition: climate-resilient development

Report: WGIII

CRDP

Definition: Climate-Resilient Development Pathway

Report: SROCC

CRDP

Definition: Climate Resilient Development Pathway

Report: WGII

CRDPs

Definition: Climate-Resilient Development Pathways

Report: SR1.5

CRE

Definition: cloud radiative effect

Report: WGI

CREMAs

Definition: Community Resource Management Area Mechanisms (Ghana)

Report: WGIII

CRF

Definition: common reporting format

Report: WGIII

CRFS

Definition: City Region Food System

Report: WGII

CRGE

Definition: Climate Resilient Green Economy

Report: WGII

CRIBs

Definition: Climate Relevant Innovation-system Builders

Report: WGIII

CRIDA

Definition: Climate Risk Informed Decision Analysis

Report: WGII

CRIEPI

Definition: Institut Central de Recherche des Industries Électriques

Report: SR1.5

CRISPR

Definition: Clustered Regularly Interspaced Short Palindromic Repeats

Report: SR1.5, SRCCL

CRM

Definition: cloud resolving model

Report: WGI

CRM

Definition: Climate Risk Management

Report: WGII

CRO

Definition: Chief Resilience Officer

Report: WGII

CRP

Definition: Conservation Reserve Program

Report: SRCCL

CRS

Definition: Climate Regime Shifts

Report: WGII

CRU

Definition: Climatic Research Unit

Report: SR1.5

CRU

Definition: Climatic Research Unit of the University of East Anglia

Report: SRCCL

CRU

Definition: Climate Research Unit

Report: WGI

CRUTEM

Definition: Dataset of the Climatic Research Unit of the University of East Anglia

Report: SRCCL

CRUTEM

Definition: Climatic Research Unit gridded global historical near-surface air temperature dataset

Report: WGI

CRUTS

Definition: Climatic Research Unit gridded time-series dataset

Report: WGI

CRV

Definition: Climate Resilient Villages

Report: SRCCL

CS

Definition: Climate Services

Report: WGII

CS

Definition: charge sustaining

Report: WGIII

CSA

Definition: Climate-Smart Agriculture

Report: SR1.5

CSA

Definition: Climate Smart Agriculture

Report: SRCCL

CSA

Definition: Central and South American / Climate-Smart Agriculture

Report: WGII

CSB

Definition: Cross-Section Box

Report: SYR

CSC

Definition: Climate Service Center Germany

Report: SR1.5

CSC

Definition: climate-smart cocoa

Report: WGIII

CSDI

Definition: Cold Spell Duration Index

Report: SR1.5

CSF

Definition: Climate-Smart Forestry

Report: WGII

CSI

Definition: Cement Sustainability Initiative

Report: WGIII

CSIRO

Definition: Commonwealth Scientific and Industrial Research Organisation

Report: SR1.5, WGI

CSIRO

Definition: Commonwealth Scientific Industrial and Research Organisation

Report: WGII

CSO

Definition: Civil Society Organisation

Report: SRCCL

CSOs

Definition: Combined Sewer Overflows

Report: WGII

CSP

Definition: Concentrated Solar Power

Report: SR1.5

CSP

Definition: concentrating solar power

Report: WGIII

CSR

Definition: Corporate Social Responsibility

Report: SR1.5

CSR

Definition: Climatically Suitable Region

Report: WGII

CSR

Definition: corporate social responsibility

Report: WGIII

CSSP

Definition: cross-sector social partnership

Report: WGIII

CSV

Definition: Climate Smart Village

Report: SRCCL

CTC

Definition: Covenant Territorial Coordinator

Report: SR1.5

CTCN

Definition: Climate Technology Centre and Network

Report: WGIII

CVD

Definition: Cardiovascular Disease

Report: WGII

CWD

Definition: Consecutive Wet Days

Report: SR1.5

CZ

Definition: Czech Republic

Report: WGII

CanESM

Definition: Canadian Earth System Model

Report: SR1.5

CanESM2

Definition: Canadian Earth System Model version 2

Report: WGI

CanESM5

Definition: Canadian Earth System Model version 5

Report: WGI

CanRCM

Definition: Canadian Regional Climate Model

Report: SR1.5

Cat-HM

Definition: Catchment-scale Hydrological Models

Report: SR1.5

CbA

Definition: Community-based Adaptation

Report: SR1.5, SROCC

CfD

Definition: contract for difference

Report: WGIII

CoA

Definition: Commonwealth of Australia

Report: WGII

CoM

Definition: Covenant of Mayors

Report: SR1.5

CoP

Definition: coefficient of performance

Report: WGIII

CoSMoS

Definition: Coastal Storm Modeling System

Report: SROCC

CurPol

Definition: Current Policies scenario

Report: WGIII

cm

Definition: Centimetres

Report: SR1.5

D

DAC

Definition: Development Assistance Committee

Report: WGII

DAC

Definition: direct air capture

Report: WGIII

DACCS

Definition: Direct Air Carbon dioxide Capture and Storage

Report: SR1.5

DACCS

Definition: Direct Air Carbon Capture and Storage

Report: SYR, WGII

DACCS

Definition: direct air carbon capture with carbon storage

Report: WGI

DACCS

Definition: direct air carbon capture and storage

Report: WGIII

DACCU

Definition: direct air capture carbon and utilisation

Report: WGIII

DACS

Definition: Direct Air Capture and Storage

Report: SR1.5

DAE

Definition: Direct Access Entities

Report: WGII

DAI

Definition: Dangerous Anthropogenic Interference

Report: WGII

DALY

Definition: Disability Adjusted Life Year

Report: SR1.5

DALY

Definition: Disability-Adjusted Life-Year

Report: SRCCL

DALY

Definition: Disability-Adjusted Life Year

Report: WGII

DALY

Definition: disability adjusted life year

Report: WGIII

DAMIP

Definition: Detection and Attribution Model Intercomparison Project

Report: WGI

DAPP

Definition: Dynamic Adaptive Pathways Planning

Report: WGII

DBH

Definition: Diameter at Breast Height

Report: WGII

DBH

Definition: diameter at breast height

Report: WGIII

DC

Definition: direct current

Report: WGIII

DCCEE

Definition: Department of Climate Change, Energy and Efficiency

Report: WGII

DCPP

Definition: Decadal Climate Prediction Project

Report: WGI

DDT

Definition: Dichlorodiphenyl-trichloroethane

Report: SROCC

DE

Definition: Germany

Report: WGII

DEA

Definition: Data Envelopment Analysis

Report: WGII

DECK

Definition: Diagnostic, Evaluation and Characterization of Klima

Report: WGI

DEHP

Definition: Department of Environment and Heritage Protection

Report: WGII

DELWP

Definition: Department of Environment, Land, Water and Planning

Report: WGII

DEM

Definition: Digital Elevation Model

Report: WGII

DENR

Definition: Department of Environment and Natural Resources

Report: WGII

DERM

Definition: Department of Environment and Resource Management, India

Report: SRCCL

DES

Definition: Department of Environment and Science

Report: WGII

DESA

Definition: Department of Economic and Social Affairs

Report: WGII

DESIRE

Definition: Desertification Mitigation and Remediation of Land

Report: SRCCL

DF

Definition: drought frequency

Report: WGI

DFIs

Definition: Development Finance Institutions

Report: WGII

DGVM

Definition: Dynamic Global Vegetation Model

Report: SRCCL

DGVM

Definition: dynamic global vegetation model

Report: WGI, WGIII

DGVMs

Definition: Dynamic Global Vegetation Models

Report: WGII

DHW

Definition: Degree Heating Week

Report: SROCC

DHW

Definition: Degree Heating Weeks

Report: WGII

DI

Definition: Drought Index

Report: WGI

DIC

Definition: Dissolved Inorganic Carbon

Report: SROCC

DIC

Definition: dissolved inorganic carbon

Report: WGI

DICE

Definition: Dynamic Integrated Climate-Economy model

Report: SR1.5

DINA

Definition: Drought Impact and Needs Assessment

Report: WGII

DISER

Definition: Department of Industry, Science, Energy and Resources

Report: WGII

DIY

Definition: Do It Yourself

Report: WGII

DJF

Definition: December, January, February

Report: SR1.5, SROCC

DJF

Definition: December-January-February

Report: SRCCL

DJF

Definition: December–January–February

Report: WGI

DJFM

Definition: December–January–February–March

Report: WGI

DLS

Definition: decent living standards

Report: WGIII

DM8H

Definition: Daily Maximum 8-Hour exposure

Report: SR1.5

DMDU

Definition: Decision-Making under Deep Uncertainty

Report: WGII

DMP

Definition: Dust Mass Path

Report: SRCCL

DMS

Definition: dimethyl sulphide

Report: WGI

DNE21+

Definition: Dynamic New Earth 21 model

Report: SR1.5

DO

Definition: Dissolved Oxygen

Report: SROCC

DOC

Definition: Dissolved Organic Carbon

Report: SROCC

DOC

Definition: Dissolved Organic Carbon / Department of Conservation

Report: WGII

DOD

Definition: Dust Optical Depth

Report: SRCCL

DOE

Definition: Department of Energy (USA)

Report: SR1.5

DOM

Definition: Dissolved Organic Matter

Report: WGII

DRC

Definition: Democratic Republic of Congo

Report: WGII

DRFIP

Definition: Disaster Risk Financing and Insurance Program

Report: WGII

DRI

Definition: Direct Reduced Iron

Report: SR1.5

DRI

Definition: direct reduced iron

Report: WGIII

DRM

Definition: Disaster Risk Management

Report: SR1.5, SRCCL, SROCC, SYR, WGII

DRR

Definition: Disaster Risk Reduction

Report: SRCCL, WGII

DSL

Definition: Deep Scattering Layers

Report: SROCC

DSM

Definition: demand-side management

Report: WGIII

DSR

Definition: Direct-Seeded Rice

Report: WGII

DTR

Definition: diurnal temperature range

Report: WGI

DTU

Definition: Technical University of Denmark

Report: SR1.5

DU

Definition: Dobson Units

Report: WGI

DWM

Definition: down woody material

Report: WGIII

DeepMIP

Definition: Deep-Time Model Intercomparison Project

Report: WGI

E

E

Definition: Equilibrium, Evaporation or Evapotranspiration

Report: SR1.5

E

Definition: Exposure

Report: WGII

E-HYPE

Definition: European Hydrological Predictions for the Environment

Report: SR1.5

EAD

Definition: Expected Annual Damages

Report: SROCC, WGII

EAF

Definition: East Africa

Report: SR1.5

EAF

Definition: electric arc furnace

Report: WGIII

EAIS

Definition: East Antarctic Ice Sheet

Report: SR1.5, SROCC, WGI, WGII

EAN

Definition: East Antarctica

Report: WGI

EAO

Definition: Equatorial Atlantic Ocean

Report: WGI

EAS

Definition: East Asia

Report: SR1.5, WGI

EASM

Definition: East Asian summer monsoon

Report: WGI

EAU

Definition: Eastern Australia

Report: WGI

EAWM

Definition: East Asian winter monsoon

Report: WGI

EAsiaM

Definition: East Asian monsoon

Report: WGI

EBA

Definition: Ecosystem Based Adaptation

Report: SRCCL

EBAF

Definition: CERES Energy Balanced and Filled climate data record

Report: WGI

EBEs

Definition: extraction-based emissions

Report: WGIII

EBM

Definition: Energy Balance Model

Report: WGI

EBM

Definition: Ecosystem-Based Management

Report: WGII

EBS

Definition: Eastern Bering Sea

Report: WGII

EBSA

Definition: Ecologically and Biologically Significant Areas

Report: WGII

EBUS

Definition: Eastern Boundary Upwelling System

Report: SROCC, WGII

EBUS

Definition: Eastern boundary upwelling systems

Report: WGI

EC

Definition: European Commission

Report: SR1.5

EC

Definition: Elemental Carbon or European Commission

Report: SRCCL

EC

Definition: End-Century

Report: WGII

ECA

Definition: European Court of Auditors

Report: SRCCL

ECB

Definition: European Central Bank

Report: WGII

ECF

Definition: European Climate Foundation

Report: SR1.5

ECMWF

Definition: European Centre for Medium-Range Weather Forecasts

Report: SR1.5, SROCC, WGI

ECOSOC

Definition: Economic and Social Council of the United Nations

Report: WGII

ECP

Definition: Extended Concentration Pathway

Report: SROCC

ECS

Definition: Equilibrium Climate Sensitivity

Report: SR1.5, WGII

ECS

Definition: Equilibrium climate sensitivity

Report: SYR

ECS

Definition: equilibrium climate sensitivity

Report: WGI

ECV

Definition: Essential Climate Variable

Report: WGI

ECWL

Definition: Extreme Coastal Water Level

Report: WGI, WGII

EDCD

Definition: European Centre for Disease Prevention and Control

Report: WGII

EDGAR

Definition: Emission Database for Global Atmospheric Research

Report: SR1.5

EDGAR

Definition: Emissions Database for Global Atmospheric Research

Report: SRCCL, WGIII

EDLC

Definition: electrochemical double layer capacitor

Report: WGIII

EDRM

Definition: Emergency and Disaster Risk Management

Report: WGII

EDW

Definition: Elevation Dependent Warming

Report: SROCC

EDW

Definition: elevation-dependent warming

Report: WGI

EEA

Definition: European Environment Agency

Report: SR1.5, SRCCL, WGII

EEA

Definition: Eastern Europe and West Central Asia

Report: WGIII

EECO

Definition: Early Eocene Climatic Optimum

Report: WGI

EED

Definition: Energy Efficiency Directive

Report: WGIII

EEDI

Definition: Energy Efficiency Design Index

Report: WGIII

EEE

Definition: emissions embodied in exports

Report: WGIII

EEI

Definition: emissions embodied in imports

Report: WGIII

EEM

Definition: Energy Efficient Mortgage

Report: WGIII

EES

Definition: electrical energy storage

Report: WGIII

EET

Definition: emissions embodied in trade

Report: WGIII

EEU

Definition: Eastern Europe

Report: WGI, WGII

EEXI

Definition: Energy Efficiency Existing Ship Index

Report: WGIII

EEZ

Definition: Exclusive Economic Zone

Report: SROCC, WGII

EF

Definition: Emission Factor

Report: SRCCL

EF

Definition: emission factor

Report: WGIII

EFRs

Definition: Environmental Flow Requirements

Report: WGII

EFSA

Definition: European Food Safety Authority

Report: SRCCL

EFT

Definition: Ecological Fiscal Transfer

Report: SRCCL

EGMAM

Definition: ECHO-G Middle Atmosphere Model

Report: SR1.5

EGR

Definition: exhaust gas recirculation

Report: WGIII

EGTT

Definition: Expert Group on Technology Transfer

Report: WGIII

EIA

Definition: Energy Information Administration

Report: WGII

EIMs

Definition: Energy Improvement Mortgages

Report: WGIII

EIO

Definition: Equatorial Indian Ocean

Report: WGI

EIP

Definition: energy and industrial processes

Report: WGIII

EJ

Definition: Exajoules

Report: SR1.5

EJ

Definition: exajoule

Report: WGIII

EKC

Definition: Environmental Kuznets Curve

Report: WGII

ELD

Definition: Economics of Land Degradation or Economics of Land Degradation Initiative

Report: SRCCL

ELUC

Definition: land-use change emissions

Report: WGIII

EM-DAT

Definition: International Disaster Database

Report: SRCCL

EMAS

Definition: Eco-Management and Auditing Scheme

Report: WGIII

EMEP

Definition: European Monitoring and Evaluation Programme

Report: SR1.5

EMF

Definition: Energy Modeling Forum

Report: SR1.5

EMIC

Definition: Earth-system Model of Intermediate Complexity

Report: SR1.5

EMIC

Definition: Earth models of intermediate complexity

Report: WGI

ENA

Definition: East North America

Report: SR1.5

ENA

Definition: Eastern North America

Report: WGI

ENACTS

Definition: East Africa and the West African Sahel

Report: WGII

ENSO

Definition: El Niño-Southern Oscillation

Report: SR1.5, SROCC, WGII

ENSO

Definition: El Niño/Southern Oscillation

Report: SRCCL

ENSO

Definition: El Niño–Southern Oscillation

Report: WGI

EOF

Definition: empirical orthogonal function

Report: WGI

EOR

Definition: Enhanced Oil Recovery

Report: SR1.5

EOV

Definition: Essential Ocean Variable

Report: WGI

EP

Definition: Eastern Pacific

Report: WGI

EP

Definition: Environmental Peacebuilding

Report: WGII

EPA

Definition: Environmental Protection Agency (USA)

Report: SR1.5

EPA

Definition: UN Environmental Protection Agency

Report: SRCCL

EPA

Definition: USA Environmental Protection Agency

Report: WGI

EPBD

Definition: Energy Performance Buildings Directive

Report: WGIII

EPCs

Definition: Energy Performance Certificates

Report: WGIII

EPD

Definition: Environmental Product Declaration

Report: WGIII

EPIs

Definition: Energy-Intensive Processing Industries

Report: SR1.5

EPO

Definition: Equatorial Pacific Ocean

Report: WGI

EPR

Definition: extended producer responsibility

Report: WGIII

EPS

Definition: Emissions Performance Standard

Report: WGIII

ERA

Definition: ECMWF ReAnalysis

Report: SR1.5

ERA-Interim

Definition: ECMWF global reanalysis

Report: WGI

ERA20C

Definition: ECMWF 20th century reanalysis

Report: WGI

ERA20CM

Definition: ECMWF 20th century atmospheric model ensemble

Report: WGI

ERA5

Definition: ECMWF global reanalysis (replaces ERA-Interim)

Report: WGI

ERF

Definition: Effective Radiative Forcing

Report: SR1.5

ERF

Definition: effective radiative forcing

Report: WGI, WGIII

ERFaci

Definition: Effective Radiative Forcing from aerosol-cloud interactions

Report: SR1.5

ERFaci

Definition: effective radiative forcing due to aerosol–cloud interactions

Report: WGI

ERFari

Definition: Effective Radiative Forcing from aerosol-radiation interactions

Report: SR1.5

ERFari

Definition: effective radiative forcing due to aerosol–radiation interactions

Report: WGI

ERIA

Definition: Economic Research Institute for ASEAN and East Asia

Report: WGIII

ERSST

Definition: Extended Reconstructed Sea Surface Temperature

Report: WGI

ES

Definition: Ecosystem Service

Report: SRCCL

ES

Definition: Executive Summary

Report: SYR

ES

Definition: Expected Shortfall / Spain

Report: WGII

ES-FiT

Definition: Energy Savings Feed-in Tariff

Report: WGIII

ESA

Definition: European Space Agency

Report: WGI, WGII

ESA

Definition: energy services agreement

Report: WGIII

ESA CCI

Definition: European Space Agency Climate Change Initiative

Report: SROCC, WGI, WGII

ESAF

Definition: East Southern Africa

Report: WGI, WGII

ESB

Definition: East Siberia

Report: WGI

ESCC

Definition: Earth Systems and Climate Change

Report: WGII

ESCI

Definition: Electricity Sector Climate Information

Report: WGII

ESCO

Definition: Energy Service Company

Report: WGIII

ESCOs

Definition: Energy Service Companies

Report: SR1.5

ESD

Definition: Education for Sustainable Development

Report: WGII

ESD

Definition: education for sustainable development

Report: WGIII

ESG

Definition: environmental, social and governance

Report: WGIII

ESGF

Definition: Earth System Grid Federation

Report: WGI

ESL

Definition: Extreme Sea Level

Report: SR1.5, SRCCL, SROCC, WGII

ESL

Definition: extreme sea level

Report: WGI

ESM

Definition: Earth System Model

Report: SR1.5, SROCC, WGII

ESM

Definition: Earth System Models

Report: SRCCL

ESM

Definition: Earth system model

Report: WGI

ESM

Definition: energy systems model

Report: WGIII

ESMValTool

Definition: Earth System Model Evaluation Tool

Report: WGI

ESR

Definition: Empirical Scaling Relationship

Report: SR1.5

ESRB ASC

Definition: European Systemic Risk Board Advisory Scientific Committee

Report: SR1.5

ESRL

Definition: NOAA Earth System Research Laboratory

Report: SR1.5, WGI

ESW

Definition: Economic and Sector Work

Report: WGII

ESWL

Definition: extreme still water levels

Report: WGI

ESWL

Definition: Extreme Still Water Level

Report: WGII

ET

Definition: evapotranspiration

Report: WGI

ET

Definition: Evapotranspiration

Report: WGII

ETC

Definition: Extratropical Cyclone

Report: SROCC

ETC

Definition: extratropical cyclone

Report: WGI

ETC

Definition: Extra-Tropical Cyclone

Report: WGII

ETCCDI

Definition: Expert Team on Climate Change Detection and Indices

Report: WGI

ETP

Definition: Pacific Islands region [3] or Energy Technology Perspectives model

Report: SR1.5

ETP

Definition: Energy Technology Perspectives (IEA report)

Report: WGIII

ETS

Definition: Emission Trading Scheme

Report: SR1.5

ETS

Definition: Emissions Trading Scheme

Report: SRCCL

ETS

Definition: Emissions Trading System

Report: WGIII

ETWL

Definition: Extreme Total Water Level

Report: WGI, WGII

EU

Definition: European Union

Report: SR1.5, SRCCL, WGI, WGII, WGIII

EU ETS

Definition: European Union Emissions Trading Scheme

Report: WGIII

EU-27

Definition: European Union member states [excluding UK]

Report: WGIII

EU-28

Definition: European Union member states [including UK]

Report: WGIII

EU-FP6

Definition: European Union Sixth Framework Programme

Report: SR1.5

EU-RED

Definition: European Union Renewable Energy Directive

Report: SRCCL

EU-RED

Definition: EU Renewable Energy Directive

Report: WGIII

EUG4

Definition: France, Germany, Italy, United Kingdom

Report: SR1.5

EURO-CORDEX

Definition: European branch of the Coordinated Regional Climate Downscaling Experiment

Report: SR1.5

EV

Definition: Electric Vehicle

Report: SR1.5, SYR, WGII

EV

Definition: electric vehicle

Report: WGIII

EVI

Definition: Enhanced Vegetation Index

Report: SRCCL

EW

Definition: Enhanced Weathering

Report: SR1.5, WGII

EW

Definition: enhanced weathering

Report: WGIII

EW/EA

Definition: Early Warning and Early Action

Report: SRCCL

EWFD

Definition: European Water Framework Directive

Report: WGII

EWS

Definition: Early Warning Systems

Report: SRCCL

EWS

Definition: Early Warning System

Report: SROCC, SYR, WGII

EaaS

Definition: energy as a service

Report: WGIII

EbA

Definition: Ecosystems-based Adaptation

Report: SR1.5

EbA

Definition: Ecosystem-based Adaptation

Report: SROCC, SYR

EbA

Definition: Ecosystem-Based Adaptation

Report: WGII

EgC

Definition: exagrams of carbon (1000 petagrams of carbon)

Report: WGI

EqAmer

Definition: equatorial America

Report: WGI

Eta-CPTEC

Definition: Eta Centro de Previsão do Tempo e Estudos Climáticos

Report: SR1.5

F

F-gas

Definition: Fluorinated gases

Report: SR1.5

F-gas

Definition: fluorinated gas

Report: WGIII

F-gases

Definition: Fluorinated gases

Report: SYR

FACE

Definition: Free-Air Carbon dioxide Enrichment

Report: SRCCL

FACE

Definition: Free-Air Carbon Dioxide Enrichment

Report: WGII

FAIR

Definition: Finite Amplitude Impulse Response model

Report: SR1.5

FAIR

Definition: Findable, Accessible, Interoperable and Reusable principles

Report: WGI

FAO

Definition: Food and Agriculture Organization of the United Nations

Report: SR1.5, SYR, WGIII

FAO

Definition: United Nations Food and Agricultural Organisation

Report: SRCCL

FAO

Definition: Food and Agriculture Organization

Report: WGII

FAO-FRA

Definition: FAO Global Forest Resources Assessment

Report: SRCCL

FAOSTAT

Definition: Database Collection of the Food and Agriculture Organization of the United Nations

Report: SR1.5

FAOSTAT

Definition: FAO Database

Report: SRCCL

FAPAR

Definition: fraction of absorbed photosynthetically active radiation

Report: WGI

FAQ

Definition: Frequently Asked Questions

Report: SR1.5, SRCCL, WGII

FAQ

Definition: frequently asked question

Report: WGIII

FAR

Definition: IPCC First Assessment Report

Report: WGI

FAR

Definition: Financing for Adaptation and Resilience / Fraction of Attributable Risks

Report: WGII

FARM

Definition: Future Agricultural Resources Model

Report: SR1.5

FBD

Definition: Food-Borne Disease

Report: WGII

FBDG

Definition: food-based dietary guidelines

Report: WGIII

FCDO

Definition: UK Foreign, Commonwealth and Development Office

Report: WGIII

FCV

Definition: fuel cell vehicle

Report: WGIII

FD

Definition: frost days

Report: WGI

FDI

Definition: Foreign Direct Investment

Report: WGIII

FE

Definition: Final Energy

Report: SR1.5

FEDURP

Definition: Federation of the Urban and Rural Poor

Report: WGII

FEMA

Definition: Federal Emergency Management Agency (USA)

Report: SR1.5

FEMA

Definition: Federal Emergency Management Agency

Report: WGII

FESOM

Definition: Finite Element Sea ice/Ice Shelf Ocean Model

Report: WGI

FEW

Definition: Food–Energy–Water

Report: WGII

FF

Definition: Fossil Fuel

Report: SR1.5, SRCCL

FF&I

Definition: Fossil-Fuel combustion and Industrial processes

Report: SR1.5

FFDI

Definition: Forest Fire Danger Index

Report: WGI, WGII

FFI

Definition: Fossil-Fuel combustion and Industrial processes

Report: SYR

FFI

Definition: fossil fuel and industry

Report: WGIII

FGOALS

Definition: Flexible Global Ocean-Atmosphere-Land System model

Report: SR1.5

FIC

Definition: Faster Innovation Case

Report: WGIII

FIES

Definition: Food Insecurity Experience Scale

Report: SRCCL

FIO

Definition: First Institute of Oceanography

Report: SR1.5

FISHMIP

Definition: Fisheries and Marine Ecosystems Impact Model Intercomparison Project

Report: SROCC

FLEGT

Definition: Forest Law Enforcement, Governance and Trade

Report: WGIII

FLW

Definition: Food Loss and Waste

Report: WGII

FLW

Definition: food loss and waste

Report: WGIII

FMNR

Definition: Farmer Managed Natural Regeneration

Report: SR1.5

FMU

Definition: Forest Management Unit

Report: WGII

FOLU

Definition: forestry and other land use

Report: WGI

FPIC

Definition: Free Prior and Informed Consent

Report: WGII

FR

Definition: France

Report: WGII

FRA

Definition: Forest Rights Act (India)

Report: SRCCL

FRAND

Definition: fair, reasonable and non-discriminatory

Report: WGIII

FSC

Definition: Forest Stewardship Council

Report: SRCCL, WGII

FSC

Definition: Forest Sustainability Council

Report: WGIII

FT

Definition: Fischer-Tropsch

Report: WGIII

FTA

Definition: free trade agreement

Report: WGIII

FUND

Definition: Climate Framework for Uncertainty, Negotiation, and Distribution model

Report: SR1.5

FUSSR

Definition: Former Union of Soviet Socialist Republics

Report: SR1.5

FW

Definition: Fire Weather

Report: WGII

FWL

Definition: Food Waste and Loss

Report: SRCCL

FWL

Definition: Freshwater Lens

Report: WGII

FWM

Definition: fine woody material

Report: WGIII

FYROM

Definition: North Macedonia

Report: WGII

FaIR

Definition: Finite Amplitude Impulse Response simple climate model

Report: SYR, WGI

FaIR

Definition: Finite Amplitude Impulse Response

Report: WGIII

Fe

Definition: Iron

Report: SR1.5, SRCCL

FiT

Definition: feed-in tariff

Report: WGIII

FiTP

Definition: feed-in premium

Report: WGIII

Fish-MIP

Definition: Fisheries and Marine Ecosystem Model Intercomparison Project

Report: WGII

fNRB

Definition: fraction of Non-Renewable Biomass

Report: SRCCL

fSST

Definition: fixed-sea surface temperature

Report: WGI

G

G20

Definition: Group of Twenty

Report: WGII

GACS

Definition: Global Alliance of Continuous Plankton Recorder Surveys

Report: SROCC

GAMI

Definition: Global Adaptation Mapping Initiative

Report: WGII

GAMS

Definition: General Algebraic Modeling System

Report: SR1.5

GAST

Definition: Global Mean Surface Air Temperature

Report: WGII

GATS

Definition: General Agreement on Trade in Services

Report: WGIII

GATT

Definition: General Agreement on Tariffs and Trade

Report: SRCCL, WGIII

GBAM

Definition: Ground-Based Albedo Modification

Report: SR1.5, WGII

GBAM

Definition: ground-based albedo modifications

Report: WGIII

GBCA

Definition: Green Building Council of Australia

Report: WGII

GBEP

Definition: Global Bioenergy Partnership

Report: SRCCL

GBP

Definition: Great Britain Pound

Report: WGII

GBR

Definition: Great Barrier Reef

Report: WGII

GBRMPA

Definition: Great Barrier Reef Marine Park Authority

Report: WGII

GCAM

Definition: Global Change Assessment Model

Report: SR1.5, WGIII

GCC

Definition: Gulf Cooperative Council

Report: SR1.5

GCCA

Definition: Global Cement and Concrete Association

Report: WGIII

GCEC

Definition: Global Commission on the Economy and Climate

Report: SR1.5

GCF

Definition: Green Climate Fund

Report: SRCCL, WGII, WGIII

GCM

Definition: General Circulation Model or Global Climate Model

Report: SR1.5

GCM

Definition: Global Climate Model or General Circulation Model

Report: SRCCL

GCM

Definition: General Circulation Model/Global Climate Model

Report: SROCC

GCM

Definition: general circulation model or global climate model

Report: WGI

GCM

Definition: General Circulation Model / Global Climate Model

Report: WGII

GCOS

Definition: Global Climate Observing System

Report: WGI

GCP

Definition: Global Carbon Project

Report: SR1.5, SRCCL, WGI, WGIII

GCoM

Definition: Global Covenant of Mayors

Report: WGIII

GDD

Definition: growing degree days

Report: WGI

GDD

Definition: Growing Degree Days

Report: WGII

GDE

Definition: Groundwater-Dependent Ecosystem

Report: WGII

GDEWS

Definition: Global Drought Early Warning System

Report: SRCCL

GDP

Definition: Gross Domestic Product

Report: SR1.5, SRCCL, SROCC, SYR, WGII

GDP

Definition: gross domestic product

Report: WGI, WGIII

GE

Definition: General Equilibrium

Report: SR1.5

GE

Definition: Government Effectiveness or General Equilibrium

Report: SRCCL

GEA

Definition: Global Energy Assessment

Report: SR1.5, WGIII

GEF

Definition: Global Environmental Facility

Report: SRCCL

GEF

Definition: Global Environment Facility

Report: WGII, WGIII

GEM-E3

Definition: General Equilibrium Model for Economy - Energy - Environment

Report: SR1.5

GENeSYS-MOD

Definition: Global Energy System Model

Report: SR1.5

GFBI

Definition: Global Forest Biodiversity Initiative

Report: WGIII

GFCA

Definition: Global Framework for Climate Action

Report: WGIII

GFCF

Definition: Gross Fixed Capital Formation

Report: SR1.5

GFCF

Definition: Gross-fixed capital formation

Report: WGIII

GFCS

Definition: Global Framework for Climate Services

Report: SRCCL, WGI

GFDL

Definition: Geophysical Fluid Dynamic Laboratory

Report: SR1.5

GFDL

Definition: NOAA Geophysical Fluid Dynamics Laboratory

Report: WGI

GFED

Definition: Global Fire Emissions Database

Report: SRCCL, WGIII

GFGP

Definition: Conversion of Cropland to Forests and Grasslands Program (Grain for Green Programme)

Report: SRCCL

GFR

Definition: Grid Flexibility Resources

Report: SR1.5

GGCM

Definition: Global Gridded Crop Models

Report: SRCCL

GGR

Definition: Greenhouse Gas Removal

Report: SROCC

GHA

Definition: Greater Horn of Africa

Report: WGII

GHCN

Definition: Global Historical Climatology Network

Report: SRCCL

GHCN

Definition: NOAA Global Historical Climatology Network

Report: WGI

GHCNDEX

Definition: Global Historical Climatology Network – Daily climate Extremes

Report: SR1.5

GHCNd

Definition: NOAA Global Historical Climatology Network daily database

Report: WGI

GHCNv4

Definition: NOAA Global Historical Climatology Network monthly database version 4

Report: WGI

GHG

Definition: Greenhouse Gas

Report: SRCCL, SROCC, SYR, WGII

GHG

Definition: greenhouse gas

Report: WGI, WGIII

GHGE

Definition: Greenhouse Gas Emissions

Report: SRCCL

GHGI

Definition: Greenhouse Gas Inventory

Report: SRCCL

GHGs

Definition: Greenhouse Gases

Report: SR1.5

GHM

Definition: Global Hydrological Models

Report: SR1.5

GHM

Definition: global hydrological model

Report: WGI

GHM

Definition: Global Hydrological Model

Report: WGII

GI

Definition: Gastrointestinal

Report: WGII

GIA

Definition: Glacio-Isostatic Adjustment

Report: SROCC

GIA

Definition: glacial isostatic adjustment

Report: WGI

GIAHS

Definition: Globally Important Agricultural Heritage Site

Report: SRCCL

GIC

Definition: Greenland/Iceland

Report: WGI

GIEWS

Definition: FAO Global Information and Early Warning System

Report: SRCCL

GIMMS3g

Definition: Global Inventory Modelling and Mapping Studies

Report: SRCCL

GIS

Definition: Greenland Ice Sheet

Report: SR1.5, SROCC

GIS

Definition: Geographic Information System

Report: WGII

GIS

Definition: geographic information system / global innovation system

Report: WGIII

GISS

Definition: Goddard Institute for Space Studies

Report: SR1.5

GISS

Definition: NASA Goddard Institute for Space Studies

Report: WGI

GISTEMP

Definition: Goddard Institute for Space Studies Surface Temperature Analysis

Report: SR1.5

GISTEMP

Definition: Goddard's Global Surface Temperature Analysis

Report: SRCCL

GISTEMP

Definition: NASA Goddard Institute for Space Studies Surface Temperature Analysis

Report: WGI

GIZ

Definition: German Society for International Cooperation

Report: SRCCL

GIZ

Definition: the German Development Agency (Deutsche Gesellschaft für Internationale Zusammenarbeit)

Report: WGIII

GJ

Definition: Gigajoules

Report: SR1.5, SRCCL

GJ

Definition: gigajoule

Report: WGIII

GLASOD

Definition: Global Assessment of Human-Induced Soil Degradation

Report: SRCCL

GLASS

Definition: Global Land Atmosphere System Study

Report: SRCCL

GLDAS

Definition: Global Land Data Assimilation System

Report: WGI

GLEAM

Definition: Global Livestock Environmental Assessment Model

Report: SR1.5

GLEON

Definition: Global Lakes Ecological Observatory Network

Report: WGII

GLOBIOM

Definition: GLObal BIOsphere Management model

Report: SR1.5, SRCCL

GLOF

Definition: Glacial Lake Outburst Floods

Report: SRCCL

GLOF

Definition: Glacial Lake Outburst Flood

Report: SROCC, WGII

GLOFs

Definition: Glacial Lake Outburst Floods

Report: SR1.5

GLOMAP

Definition: Global Model of Aerosol Processes

Report: SRCCL

GM

Definition: Genetically Modified

Report: SR1.5, SRCCL

GM

Definition: Global monsoon

Report: WGI

GM

Definition: Genetically Modified / Global Monsoon

Report: WGII

GMF

Definition: Global Methane Fund

Report: WGIII

GMI

Definition: Global Methane Initiative

Report: WGIII

GMMIP

Definition: Global Monsoons Model Intercomparison Project

Report: WGI

GMO

Definition: Genetically Modified Organism

Report: SR1.5, SRCCL

GMRIO

Definition: global multi-region input-output

Report: WGIII

GMSL

Definition: Global Mean Sea Level

Report: SR1.5, SRCCL, SROCC, WGII

GMSL

Definition: global mean sea level

Report: WGI

GMSLR

Definition: Global Mean Sea Level Rise

Report: WGII

GMST

Definition: Global Mean Surface Temperature

Report: SR1.5, SRCCL, SROCC, WGII

GMST

Definition: global mean surface temperature

Report: WGI

GMT

Definition: Global Mean Temperature

Report: SR1.5, SRCCL, WGII

GMTSL

Definition: global mean thermosteric sea level

Report: WGI

GNDR

Definition: Global Network of Civil Society Organisations for Disaster Reduction

Report: WGII

GNH

Definition: Gross National Happiness

Report: WGII

GNHI

Definition: Gross National Happiness Index

Report: SR1.5

GNI

Definition: gross national income

Report: WGIII

GNR

Definition: Global Nutrition Report

Report: SRCCL

GNSS

Definition: Global Navigation Satellite System

Report: WGI

GOA-ON

Definition: Global Ocean Acidification Observing Network

Report: WGII

GOME

Definition: Global Ozone Monitoring Experiment

Report: WGI

GOSAT

Definition: Greenhouse Gases Observing Satellite

Report: WGI

GPCC

Definition: Global Precipitation Climatology Centre

Report: WGI, WGII

GPCP

Definition: Global Precipitation Climatology Project

Report: WGI

GPD

Definition: Generalised Pareto Distribution

Report: SROCC

GPG

Definition: Good Practice Guidance

Report: SROCC, WGII

GPM

Definition: Global Precipitation Mission

Report: WGI

GPP

Definition: Gross Primary Productivity

Report: SR1.5

GPP

Definition: Gross Primary Productivity/Gross Primary Production

Report: SRCCL

GPP

Definition: Gross Primary Production

Report: SROCC, WGII

GPP

Definition: Green Public Procurement

Report: WGIII

GPS

Definition: Global Positioning System

Report: SROCC, WGI

GPT

Definition: General Purpose Technologies

Report: SR1.5

GPT

Definition: general-purpose technologies

Report: WGIII

GQL

Definition: Good Quality of Life

Report: WGII

GRACE

Definition: Gravity Recovery and Climate Experiment

Report: SROCC, WGI, WGII

GRAPE

Definition: Global Relationship Assessment to Protect the Environment model

Report: SR1.5

GRD

Definition: Gravity, Rotation, and Deformation

Report: SROCC

GRD

Definition: gravitational, rotational and deformational

Report: WGI

GRDC

Definition: Global Runoff Data Centre

Report: WGII

GSAT

Definition: Global mean Surface Air Temperature

Report: SR1.5

GSAT

Definition: global surface air temperature

Report: WGI

GSAT

Definition: Global Surface Air Temperature

Report: WGII, WGIII

GSMaP

Definition: Global Satellite Mapping of Precipitation dataset

Report: WGI

GSP

Definition: Gross State Product

Report: SROCC

GTEM

Definition: global transport energy sectoral models

Report: WGIII

GTP

Definition: Global Temperature-change Potential

Report: SR1.5

GTP

Definition: global temperature change potential

Report: WGI, WGIII

GW

Definition: Gigawatt

Report: SYR, WGII

GWA

Definition: Government of Western Australia

Report: SR1.5

GWL

Definition: Global Warming Level

Report: SYR, WGII

GWL

Definition: global warming level

Report: WGI

GWP

Definition: Global Warming Potential or Gross World Product

Report: SR1.5

GWP

Definition: Global Warming Potential

Report: SRCCL, SROCC, WGII

GWP

Definition: global warming potential

Report: WGI, WGIII

GWP100

Definition: Global Warming Potential over a 100 year time horizon

Report: SYR

GWP100

Definition: 100-year global warming potential

Report: WGIII

GWR

Definition: Geographically Weighted Regression

Report: WGII

GWRC

Definition: Greater Wellington Regional Council

Report: WGII

GWSHP

Definition: Groundwater-Source Heat Pumps

Report: WGII

GWSI

Definition: Global Water Security Index

Report: WGII

GeSI

Definition: Global e-Sustainability Initiative

Report: SR1.5

GeoMIP

Definition: Geoengineering Model Intercomparison Project

Report: WGI

Gha

Definition: Gigahectares

Report: SR1.5, SRCCL

GlacierMIP

Definition: Glacier Model Intercomparison Project

Report: WGI

GloGEM

Definition: Global Glacier Evolution Model

Report: WGI

Glob-HM

Definition: Global Hydrological Model

Report: SR1.5

GrIS

Definition: Greenland Ice Sheet

Report: WGI

Gt

Definition: Gigatonne

Report: SR1.5

Gt

Definition: Gigatonnes

Report: SYR

Gt

Definition: gigatonne

Report: WGIII

GtC

Definition: gigatonnes of carbon

Report: WGI

GtCO2

Definition: gigatonnes of carbon dioxide

Report: WGI

GtCO2-eq

Definition: gigatonnes of CO2 equivalent

Report: WGIII

g

Definition: Grams

Report: SR1.5

H

H

Definition: Hazard

Report: WGII

H-DRI

Definition: Hydrogen-based direct reduced iron

Report: WGIII

H2

Definition: Hydrogen

Report: SR1.5, SRCCL

HAB

Definition: Harmful Algal Blooms

Report: SROCC

HAB

Definition: Harmful Algal Bloom

Report: WGII

HANPP

Definition: Human Appropriation of Net Primary Production

Report: SRCCL

HAP

Definition: Heat Action Plan

Report: WGII

HAP

Definition: household air pollution

Report: WGIII

HAPPI

Definition: Half a degree Additional warming, Prognosis and Projected Impacts

Report: SR1.5

HAPPI

Definition: Half a degree Additional warming, Projections, Prognosis and Impacts

Report: SRCCL

HC

Definition: Hadley circulation

Report: WGI

HCE

Definition: historical cumulative emission

Report: WGIII

HCFC

Definition: hydrochlorofluorocarbon

Report: WGI

HCFCs

Definition: hydrochlorofluorocarbons

Report: WGIII

HCS

Definition: High Carbon Stock

Report: WGIII

HCSA

Definition: High Carbon Stock Areas

Report: WGII

HCVA

Definition: High Conservation Value Areas

Report: WGII

HD

Definition: heating degree days

Report: WGI

HDD

Definition: Heat Degree Days

Report: WGII

HDI

Definition: Human Development Index

Report: SRCCL, WGII, WGIII

HDSR

Definition: Health and Disability System Review

Report: WGII

HDV

Definition: Heavy-Duty Vehicle

Report: SR1.5

HDV

Definition: Heavy-duty vehicles

Report: WGIII

HEI

Definition: Healthcare Environment Inspectorate

Report: SRCCL

HELP

Definition: High Level Experts and Leaders Panel

Report: WGII

HEMS

Definition: home energy management system

Report: WGIII

HES

Definition: Hybrid energy storage

Report: WGIII

HEV

Definition: Hybrid Electric Vehicle

Report: SR1.5

HEV

Definition: hybrid electric vehicle

Report: WGIII

HFC

Definition: Hydrofluorocarbons

Report: SROCC

HFC

Definition: hydrofluorocarbon

Report: WGI, WGIII

HFC

Definition: Hydrofluorocarbon

Report: WGII

HFCV

Definition: hydrogen fuel cell vehicle

Report: WGIII

HFCs

Definition: Hydrofluorocarbons

Report: SR1.5, SYR

HFRS

Definition: Haemorrhagic Fever with Renal Syndrome

Report: WGII

HHP

Definition: High Hydrostatic Pressure

Report: SRCCL

HI

Definition: heat index

Report: WGI

HIHD

Definition: Historical Index of Human Development

Report: WGIII

HIV

Definition: Human Immunodeficiency Virus

Report: WGII

HKH

Definition: Hindu-Kush Himalayan

Report: SRCCL

HKH

Definition: Hindu Kush Himalaya

Report: WGI, WGII

HLCCP

Definition: High-Level Commission on Carbon Prices

Report: SR1.5

HLD

Definition: High Latitude Dust

Report: WGII

HLPE

Definition: High Level Panel of Experts on Food Security and Nutrition

Report: SR1.5

HLPE

Definition: High Level Panel of Experts

Report: SRCCL

HLPF

Definition: High-Level Political Forum

Report: WGIII

HN

Definition: Houghton and Nassikas

Report: WGIII

HNO3

Definition: nitric acid

Report: WGI

HNPP

Definition: Herbaceous Net Primary Productivity

Report: WGII

HPLE

Definition: High Level Panel of Experts

Report: WGII

HRBA

Definition: Human Rights-Based Approach

Report: WGII

HSM

Definition: Historical Simulation

Report: SROCC

HSR

Definition: high-speed rail

Report: WGIII

HSRTF

Definition: Hurricane Sandy Rebuilding Task Force

Report: SR1.5

HTM

Definition: Holocene Thermal Maximum

Report: SR1.5

HVAC

Definition: Heating, Ventilation and Air Conditioning

Report: WGII

HVAC

Definition: heating, ventilation and air conditioning

Report: WGIII

HVO

Definition: hydrotreated vegetable oil

Report: WGIII

HYDE

Definition: History Database of the Global Environment

Report: SRCCL

HYDE

Definition: History database of the Global Environment

Report: WGIII

HYMOD

Definition: HYdrological MODel

Report: SR1.5

Ha

Definition: Hectares

Report: SRCCL

HadCM

Definition: Hadley Centre Coupled Model

Report: SR1.5

HadCM3

Definition: Hadley Centre Coupled Model, version 3

Report: SRCCL

HadCM3

Definition: Hadley Center Coupled Model

Report: WGII

HadCRUT

Definition: Hadley Centre Climatic Research Unit Gridded Surface Temperature Data Set

Report: SR1.5

HadCRUT

Definition: Hadley Centre Climatic Research Unit gridded surface temperature dataset

Report: WGI

HadEX

Definition: Hadley Centre Global Climate Extremes index

Report: SR1.5

HadEX3

Definition: Hadley Centre gridded land surface extremes indices

Report: WGI

HadGEM

Definition: Hadley Centre Global Environmental Model

Report: SR1.5

HadGEM

Definition: Hadley Centre Global Environment Model

Report: WGI

HadISST

Definition: Hadley Centre Ice and Sea Surface Temperature dataset

Report: WGI

HadRM

Definition: Hadley Centre Regional Model

Report: SR1.5

HadSST

Definition: Hadley Centre Sea Surface Temperature dataset

Report: WGI

HighResMIP

Definition: High Resolution Model Intercomparison Project

Report: WGI

ha

Definition: Hectares

Report: SR1.5

I

IAEA

Definition: International Atomic Energy Agency

Report: SR1.5, SROCC

IAGA

Definition: International Air Transport Association

Report: WGIII

IAGOS

Definition: In-service Aircraft for a Global Observing System

Report: WGI

IAM

Definition: Integrated Assessment Model

Report: SRCCL, WGII

IAM

Definition: integrated assessment model

Report: WGI, WGIII

IAMC

Definition: Integrated Assessment Modelling Consortium

Report: SR1.5

IAMs

Definition: Integrated Assessment Models

Report: SR1.5

IAS

Definition: Invasive Alien Species

Report: WGII

IBA

Definition: International Bar Association

Report: SR1.5

IBAI

Definition: Index-Based Agricultural Insurance

Report: WGII

IBE

Definition: income-based emission accounting

Report: WGIII

IBI

Definition: International Biochar Initiative

Report: SR1.5

ICA

Definition: Insurance Council of Australia

Report: WGII

ICAMS

Definition: Integrated Climate and Air Quality Modeling System

Report: SR1.5

ICAO

Definition: International Civil Aviation Organization

Report: WGIII

ICARDA

Definition: International Center for Agriculture Research in the Dry Areas

Report: SRCCL

ICC

Definition: Inuit Circumpolar Council

Report: SROCC

ICCC

Definition: International Conference on Climate Change

Report: SRCCL

ICCT

Definition: International Council on Clean Transportation

Report: WGIII

ICE

Definition: initial condition ensemble

Report: WGI

ICE

Definition: internal combustion engine

Report: WGIII

ICEM

Definition: International Centre for Environmental Management

Report: SR1.5

ICESat

Definition: Ice, Cloud and land Elevation Satellite

Report: WGI

ICEV

Definition: internal combustion engine vehicles

Report: WGIII

ICI

Definition: international cooperative initiative

Report: WGIII

ICJ

Definition: International Court of Justice

Report: WGIII

ICLEI

Definition: International Council for Local Environmental Initiatives

Report: SR1.5

ICLEI

Definition: Local Governments for Sustainability

Report: WGII

ICM

Definition: Integrated Coastal Management

Report: SROCC, WGII

ICNZ

Definition: Insurance Council of New Zealand

Report: WGII

ICOADS

Definition: International Comprehensive Ocean–Atmosphere Data Set

Report: WGI

ICOS

Definition: Integrated Carbon Observation System

Report: SRCCL

ICPAC

Definition: IGAD Climate Prediction and Applications Centre

Report: SRCCL

ICPDR

Definition: International Commission for the Protection of the Danube River

Report: SR1.5

ICRI

Definition: International Coral Reef Initiative

Report: WGII

ICSU

Definition: International Council for Science

Report: SR1.5, SRCCL

ICT

Definition: Information and Communication Technology

Report: SR1.5, SRCCL

ICT

Definition: Information and Communications Technology

Report: WGII

ICT

Definition: information and communication technology

Report: WGIII

ICTP

Definition: International Centre for Theoretical Physics

Report: SRCCL

ICV

Definition: Instituto Centro de Vida

Report: WGII

ICZM

Definition: Integrated Coastal Zone Management

Report: SROCC, WGII

ID

Definition: Insufficient Data

Report: WGII

IDDRI

Definition: Institute for Sustainable Development and International Relations

Report: WGIII

IDF

Definition: International Diabetes Foundation

Report: WGII

IDMC

Definition: Internal Displacement Monitoring Centre

Report: WGII

IDP

Definition: Internally Displaced People

Report: WGII

IEA

Definition: International Energy Agency

Report: SR1.5, SRCCL, SYR, WGII, WGIII

IEA-STEPS

Definition: International Energy Agency Stated Policies Scenario

Report: SYR

IEAGHG

Definition: IEA Greenhouse Gas R&D Programme

Report: SR1.5

IFAD

Definition: International Fund for Agricultural Development

Report: SR1.5, SRCCL

IFC

Definition: International Finance Corporation

Report: WGIII

IFDD

Definition: Institut de la Francophonie pour le Développement Durable (Francophonie Institute for Sustainable Development)

Report: WGIII

IFI

Definition: international financial institution

Report: WGIII

IFPRI

Definition: International Food Policy Research Institute

Report: SR1.5, SRCCL, WGII

IGAD

Definition: Intergovernmental Authority on Development

Report: SRCCL

IGCC

Definition: Integrated Gasification Combined Cycle

Report: SR1.5

IGCC

Definition: Investor Group on Climate Change

Report: WGII

IGCC

Definition: International Green Construction Code

Report: WGIII

IHME

Definition: Institute for Health Metrics and Evaluation

Report: SRCCL, WGII

IIASA

Definition: International Institute for Applied Systems Analysis

Report: SR1.5, WGIII

IIED

Definition: International Institute for Environment and Development

Report: WGII

IIF

Definition: Institute of International Finance

Report: SR1.5

IIGCC

Definition: Institutional Investors Group on Climate Change

Report: WGIII

IISD

Definition: International Institute for Sustainable Development

Report: WGII

IIoT

Definition: industrial internet of things

Report: WGIII

IK

Definition: Indigenous Knowledge

Report: SRCCL, SROCC, WGII

IKLK

Definition: Indigenous Knowledge and Local Knowledge

Report: WGII

ILB

Definition: incandescent light bulb

Report: WGIII

ILK

Definition: Indigenous and Local Knowledge

Report: SRCCL

ILM

Definition: intrusive load monitoring

Report: WGIII

IMACLIM-NLU

Definition: IMpact Assessment of CLIMate policies model – Nexus Land-Use model

Report: SR1.5

IMAGE

Definition: Integrated Model to Assess the Global Environment

Report: SR1.5

IMAGE

Definition: Integrated Model to Assess Global Environment

Report: SRCCL

IMBIE

Definition: Ice Sheet Mass Balance Intercomparison Exercise

Report: WGI

IMF

Definition: International Monetary Fund

Report: SR1.5, WGII, WGIII

IMO

Definition: International Maritime Organization

Report: SR1.5, SROCC, WGIII

IMP

Definition: Illustrative Mitigation Pathway

Report: SYR, WGIII

IMP-GS

Definition: Illustrative Mitigation Pathway – Gradual Strengthening

Report: WGIII

IMP-LD

Definition: Illustrative Mitigation Pathway - Low Demand

Report: SYR

IMP-LD

Definition: Illustrative Mitigation Pathway – Low Demand

Report: WGIII

IMP-NEG

Definition: Illustrative Mitigation Pathway - NEGative emissions deployment

Report: SYR

IMP-Neg

Definition: Illustrative Mitigation Pathway – Net Negative Emissions

Report: WGIII

IMP-REN

Definition: Illustrative Mitigation Pathway - Heavy reliance on RENewables

Report: SYR

IMP-Ren

Definition: Illustrative Mitigation Pathway – Renewable Electricity

Report: WGIII

IMP-SP

Definition: Illustrative Mitigation Pathway - Shifting development Pathways

Report: SYR

IMP-SP

Definition: Illustrative Mitigation Pathway – Shifting Pathways

Report: WGIII

IMPACT2C

Definition: Quantifying Projected Impacts under 2°C Warming

Report: SR1.5

INDC

Definition: Intended Nationally Determined Contribution

Report: SRCCL

INDC

Definition: Intended Nationally Determined Contributions

Report: WGII, WGIII

INDCs

Definition: Intended Nationally Determined Contributions

Report: SR1.5

INGO

Definition: International Non-Governmental Organisation

Report: SROCC

INM

Definition: Russian Institute for Numerical Mathematics

Report: SR1.5

INP

Definition: ice nucleating particle

Report: WGI

INPE

Definition: Instituto Nacional de Pesquisas Espaciais (National Institute for Space Research)

Report: SRCCL

IOB

Definition: Indian Ocean Basin

Report: WGI

IOC-UNESCO

Definition: Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization

Report: SROCC

IOD

Definition: Indian Ocean Dipole

Report: SRCCL, SROCC, WGI, WGII

IOM

Definition: International Organization for Migration

Report: SR1.5

IP

Definition: Illustrative Pathway

Report: WGIII

IP-ModAct

Definition: Illustrative Pathway Moderate Action

Report: SYR

IPBES

Definition: Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services

Report: SRCCL, WGI, WGIII

IPBES

Definition: Intergovernmental Platform on Biodiversity and Ecosystem Services assessments

Report: SROCC

IPBES

Definition: Intergovernmental Science Policy Platform on Biodiversity and Ecosystem Services

Report: WGII

IPCC

Definition: Intergovernmental Panel on Climate Change

Report: SR1.5, SRCCL, SYR, WGI, WGII, WGIII

IPLC

Definition: Indigenous Peoples and Local Communities

Report: WGII

IPO

Definition: Inter-decadal Pacific Oscillation

Report: SRCCL, WGI

IPO

Definition: Interdecadal Pacific Oscillation

Report: SROCC

IPO

Definition: Inter-Decadal Pacific Oscillation

Report: WGII

IPP

Definition: independent power producers

Report: WGIII

IPPU

Definition: Industrial processes and product use

Report: WGIII

IPR

Definition: intellectual property rights

Report: WGIII

IPSL

Definition: Institute Pierre Simon Laplace

Report: SR1.5

IPSL

Definition: Institut Pierre-Simon Laplace

Report: WGI

IQR

Definition: Interquartile Range

Report: SRCCL, WGII

IRC

Definition: Inuvialuit Regional Corporation

Report: SROCC

IRD

Definition: Integrated Rural Development

Report: SRCCL

IRENA

Definition: International Renewable Energy Agency

Report: SR1.5, WGIII

IRF

Definition: instantaneous radiative forcing

Report: WGI

IRFaci

Definition: Instantaneous radiative forcing (or effect) due to aerosol-cloud interactions

Report: WGI

IRFari

Definition: Instantaneous radiative forcing (or effect) due to aerosol–radiation interactions

Report: WGI

IRGC

Definition: International Risk Governance Council

Report: WGII

IRP

Definition: UN International Resource Panel

Report: WGIII

IS

Definition: Ice Sheet

Report: WGII

ISDS

Definition: investor–state dispute settlement

Report: WGIII

ISEAL

Definition: ISEAL Alliance (International Social and Environmental Accreditation and Labelling Alliance)

Report: SRCCL

ISIMIP

Definition: Inter-Sectoral Impact Model Intercomparison Project

Report: SR1.5, WGI

ISIMIP

Definition: Inter-Sectoral Impacts Model Intercomparison Project

Report: WGII

ISME

Definition: International Society for Mangrove Ecosystems

Report: WGII

ISO

Definition: International Standards Organisation

Report: SR1.5

ISO

Definition: International Organization for Standardization

Report: SRCCL, WGII

ISR

Definition: Inuvialuit Settlement Region

Report: SROCC

ISSC

Definition: International Social Science Council

Report: SR1.5

IT

Definition: Italy

Report: WGII

ITCZ

Definition: Intertropical Convergence Zone

Report: SROCC

ITCZ

Definition: Inter-tropical Convergence Zone

Report: WGI

ITF

Definition: International Transport Forum

Report: SR1.5, WGIII

ITF

Definition: Indonesia Throughflow

Report: SROCC

ITF

Definition: Indonesian throughflow

Report: WGI

ITMO

Definition: internationally transferred mitigation outcome

Report: WGIII

ITPS

Definition: Intergovernmental Technical Panel on Soils

Report: SRCCL

ITRDB

Definition: International Tree Ring Data Bank

Report: SRCCL

ITUC

Definition: International Trade Union Confederation

Report: WGIII

IUCN

Definition: International Union for Conservation of Nature

Report: SR1.5, SRCCL

IUCN

Definition: International Union for the Conservation of Nature

Report: WGII

IUWN

Definition: Integrated Urban Water Management

Report: WGII

IVA

Definition: Integrated Vulnerability Assessments

Report: WGII

IWAI

Definition: Inland Waterways Authority of India

Report: SRCCL

IWG

Definition: Interagency Working Group on Social Cost of Greenhouse Gases

Report: SR1.5

IWGIA

Definition: International Work Group for Indigenous Affairs

Report: WGII

IWM

Definition: Integrated Watershed Management

Report: SRCCL

IWRM

Definition: Integrated Water Resources Management

Report: SR1.5

IWRM

Definition: Integrated Water Resource Management

Report: SROCC, WGII

IoT

Definition: Internet of Things

Report: SR1.5, WGII

IoT

Definition: internet of things

Report: WGIII

iLUC

Definition: Indirect Land-Use Change

Report: SR1.5, WGII

iLUC

Definition: indirect Land Use Change

Report: SRCCL

J

JAS

Definition: July–August–September

Report: WGI

JAXA

Definition: Japan Aerospace Exploration Agency

Report: WGI

JICA

Definition: Japanese International Cooperation Agency

Report: WGIII

JJA

Definition: June, July, August

Report: SR1.5, SROCC

JJA

Definition: June-July-August

Report: SRCCL

JJA

Definition: June–July–August

Report: WGI

JJAS

Definition: June–July–August–September

Report: WGI

JMA

Definition: Japan Meteorological Agency

Report: SR1.5, WGI

JRA-55

Definition: Japanese 55-year Reanalysis

Report: SR1.5, WGI

JRC

Definition: European Commission – Joint Research Centre

Report: SR1.5

JRC

Definition: Joint Research Centre

Report: WGII

JRC

Definition: GECO Joint Research Centre – Global Energy and Climate Outlook

Report: WGIII

JULES

Definition: Joint United Kingdom Land Environment Simulator

Report: SR1.5

JeDi

Definition: Jena Diversity-Dynamic Global Vegetation Model

Report: SR1.5

K

K

Definition: Potassium

Report: SRCCL

K1, K2, K3

Definition: Mountain Delineations

Report: WGII

KNMI

Definition: Koninklijk Nederlands Meteorologisch Instituut (Royal Netherlands Meteorological Institute)

Report: SR1.5

KNOMAD

Definition: Knowledge Partnership on Migration and Development

Report: WGII

KR

Definition: Key Risk

Report: WGII

KR

Definition: key risks

Report: WGIII

kWh

Definition: Kilowatt hours

Report: SR1.5, SRCCL

kWh

Definition: Kilowatt hour

Report: SYR

kWh

Definition: kilowatt hour

Report: WGIII

kcal cap-1 day-1

Definition: Kilocalories per capita per day

Report: SR1.5

km

Definition: Kilometres

Report: SR1.5, SRCCL

kt

Definition: Kilotonnes

Report: SR1.5, SRCCL

L

L

Definition: Litres

Report: SR1.5, SRCCL

L&D

Definition: Loss and Damage

Report: SR1.5, SROCC

L&D

Definition: Losses and Damages

Report: WGII

LADA

Definition: Land Degradation Assessment in Drylands

Report: SRCCL

LAI

Definition: Leaf Area Index

Report: SRCCL, WGII

LAI

Definition: leaf area index

Report: WGI

LAM

Definition: Latin America and Caribbean

Report: SR1.5

LAM

Definition: Latin America and the Caribbean

Report: WGIII

LAP

Definition: light-absorbing particle

Report: WGI

LAPA

Definition: Local Adaptation Plan of Action

Report: SRCCL

LARMIP

Definition: Linear Antarctic Response Model Intercomparison Project

Report: WGI

LC-PUFAs

Definition: Long-Chain Polyunsaturated Fatty Acids

Report: WGII

LCA

Definition: Lifecycle Analysis/Life-Cycle Assessment

Report: SRCCL

LCA

Definition: life cycle assessment or life cycle analysis

Report: WGIII

LCC

Definition: Land-Cover Conversions

Report: SRCCL

LCC

Definition: lifecycle costs

Report: WGIII

LCCC

Definition: levelised cost of conserved carbon

Report: WGIII

LCCE

Definition: levelised cost of conserved energy

Report: WGIII

LCCS

Definition: Land Cover Classification System

Report: SRCCL

LCOE

Definition: Levelized Cost of Energy

Report: SYR

LCOE

Definition: Levelised Costs of Electricity

Report: WGII

LCOE

Definition: levelised cost of electricity or levelised cost of energy

Report: WGIII

LCP

Definition: Local Community Perception

Report: WGII

LCS

Definition: low-carbon society

Report: WGIII

LDC

Definition: Least Developed Countries

Report: SRCCL, SROCC, SYR, WGII

LDCF

Definition: Least Developed Country Fund

Report: WGII

LDCF

Definition: Least Developed Countries Fund

Report: WGIII

LDCs

Definition: Least Developed Countries

Report: SR1.5

LDCs

Definition: Least-Developed Countries

Report: WGIII

LDMz-INCA

Definition: Laboratoire de Météorologie Dynamique – INteractions between Chemistry and Aerosols

Report: SR1.5

LDN

Definition: Land Degradation Neutrality

Report: SRCCL, WGII, WGIII

LDOC

Definition: Labile Dissolved Organic Carbon

Report: SROCC

LDT

Definition: Last deglacial transition

Report: WGI

LDV

Definition: Light-Duty Vehicle

Report: SR1.5

LDV

Definition: light-duty vehicle

Report: WGIII

LE

Definition: Limited Evidence

Report: SR1.5

LEAF

Definition: Lowering Emissions by Accelerating Forest Finance

Report: WGIII

LECZ

Definition: Low Elevation Coastal Zone

Report: SROCC

LECZ

Definition: Low-Elevation Coastal Zone

Report: WGII

LED

Definition: Low Energy Demand or Light Emitting Diode

Report: SR1.5

LED

Definition: Low Energy Demand

Report: SRCCL

LED

Definition: light-emitting diode

Report: WGIII

LED scenario

Definition: Low Energy Demand scenario

Report: WGIII

LEDS

Definition: Low Emission Development Strategies

Report: WGII

LEDS

Definition: low-emissions development strategies

Report: WGIII

LEED

Definition: Leadership in Energy and Environmental Design

Report: WGII

LEED-ND

Definition: Leadership in Energy and Environmental Design–Neighbourhood Design

Report: WGII

LEO

Definition: low Earth orbit

Report: WGI

LGBTQI

Definition: Lesbian, Gay, Bisexual, Transgender, Queer, Intersex

Report: WGII

LGM

Definition: Last Glacial Maximum

Report: SR1.5, SROCC, WGI

LGNZ

Definition: Local Government of New Zealand

Report: WGII

LGP

Definition: Length of Growing Period

Report: SRCCL

LI

Definition: Lithuania

Report: WGII

LIB

Definition: lithium-ion battery

Report: WGIII

LIG

Definition: Last Interglacial

Report: SR1.5, SROCC, WGI, WGII

LIMCOM

Definition: Limpopo Watercourse Commission

Report: SRCCL

LIMIC

Definition: Low-Income and Medium-Income Countries

Report: WGII

LK

Definition: Local Knowledge

Report: SRCCL, SROCC, SYR, WGII

LLCFs

Definition: Long-Lived Climate Forcers

Report: SR1.5

LLGHG

Definition: long-lived greenhouse gas

Report: WGI

LLHI

Definition: Low-likelihood, high-impact

Report: WGI

LLIC

Definition: Low-Lying Islands and Coasts

Report: SROCC

LM

Definition: Land Management

Report: SRCCL

LMIC

Definition: Low- and Middle-Income Country

Report: SRCCL

LMMA

Definition: Locally Managed Marine Protected Area

Report: SROCC

LMMA

Definition: Locally Managed Marine Area

Report: WGII

LNG

Definition: Liquefied Natural Gas

Report: SR1.5

LNG

Definition: liquefied natural gas

Report: WGIII

LNOx

Definition: lightning NOx

Report: WGI

LPG

Definition: Liquefied Petroleum Gas

Report: SR1.5

LPG

Definition: Liquified Petroleum Gas

Report: SRCCL

LPG

Definition: liquefied petroleum gas

Report: WGIII

LPJmL

Definition: Lund-Potsdam-Jena managed Land model

Report: SR1.5

LR

Definition: lapse rate

Report: WGI

LSAT

Definition: Land Surface Air Temperature

Report: SRCCL

LSAT

Definition: land surface air temperature

Report: WGI

LSLA

Definition: Large-Scale Land Acquisition

Report: SRCCL, WGII

LTA

Definition: Land Transport Authority of Singapore

Report: SR1.5

LTGG

Definition: Long-Term Global Goal

Report: SR1.5

LTGG

Definition: long-term global goal (to hold the increase in the global average temperature to well below 2°C above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5°C above pre-industrial levels)

Report: WGIII

LTKA

Definition: Local and Traditional Knowledge in Agriculture

Report: SRCCL

LTO

Definition: long-term operation

Report: WGIII

LTP

Definition: Long-Term Plan

Report: WGII

LU

Definition: Luxembourg

Report: WGII

LUC

Definition: Land-Use Change

Report: SR1.5, SROCC, WGII

LUC

Definition: Land Use Change

Report: SRCCL

LUC

Definition: land-use change

Report: WGI

LUH2

Definition: Harmonised Land Use Change Data

Report: SRCCL

LULCC

Definition: Land Use Land Cover Change

Report: SRCCL

LULUC

Definition: Land Use and Land-Use Change

Report: SROCC, WGII

LULUCF

Definition: Land Use, Land-Use Change, and Forestry

Report: SR1.5

LULUCF

Definition: Land Use, Land Use Change and Forestry

Report: SRCCL

LULUCF

Definition: Land Use, Land-Use Change and Forestry

Report: SYR, WGII

LULUCF

Definition: land use, land-use change and forestry

Report: WGI, WGIII

LUM

Definition: land-use model

Report: WGIII

LW

Definition: longwave

Report: WGI

LWP

Definition: liquid water path

Report: WGI

LWS

Definition: land-water storage

Report: WGI

Li-on

Definition: Lithium-ion

Report: SYR

LiDAR

Definition: Light Detection and Ranging

Report: SRCCL

LiRE

Definition: IMAGE-Lifestyle-Renewable (IEA scenario)

Report: WGIII

M

M&C

Definition: Monitoring and Evaluation

Report: WGII

M&E

Definition: Monitoring and Evaluation

Report: SR1.5, SROCC

MA

Definition: Millennium Ecosystem Assessment

Report: SRCCL

MA

Definition: Mitigation Alliance

Report: WGIII

MAC

Definition: Marginal Abatement Cost

Report: SR1.5, SRCCL

MAC

Definition: marginal abatement cost

Report: WGIII

MACC

Definition: Marginal Abatement Cost Curve

Report: SRCCL

MACC

Definition: marginal abatement cost curve

Report: WGIII

MAGICC

Definition: Model for the Assessment of Greenhouse Gas Induced Climate Change

Report: SR1.5, SYR, WGI

MAGT

Definition: Mean Annual Ground Temperature

Report: SROCC

MAM

Definition: March, April, May

Report: SR1.5

MAM

Definition: March-April-May

Report: SRCCL

MAM

Definition: March–April–May

Report: WGI

MAP

Definition: Mediterranean Action Plan / Municipal Adaptation Plan

Report: WGII

MAPS

Definition: Mitigation Action Plans and Scenarios

Report: WGIII

MAR

Definition: Managed Aquifer Recharge

Report: SRCCL, WGII

MAT

Definition: marine air temperature

Report: WGI

MAgPIE

Definition: Model of Agricultural Production and its Impact on the Environment

Report: SR1.5, SRCCL

MBIE

Definition: Ministry of Business, Innovation and Employment

Report: WGII

MC

Definition: Mid-Century

Report: WGII

MCB

Definition: Marine Cloud Brightening

Report: SR1.5, WGII

MCB

Definition: marine cloud brightening

Report: WGI, WGIII

MCCA

Definition: Mercado Común Centroamericano

Report: SR1.5

MCDA

Definition: Multi-Criteria Decision Analysis

Report: SROCC, WGII

MCF

Definition: Methyl Chloroform

Report: SRCCL

MCO

Definition: Miocene Climatic Optimum

Report: WGI

MCP

Definition: Maximum Catch Potential

Report: WGII

MCPP

Definition: Municipal Climate Protection Programme

Report: WGII

MCS

Definition: Mesoscale Convective Systems

Report: SRCCL

MCS

Definition: mesoscale convective system

Report: WGI

MD

Definition: Mega-Drought

Report: WGII

MDB

Definition: Group of Multilateral Development Banks

Report: SR1.5

MDB

Definition: Multi-Lateral Development Bank / Murray–Darling Basin

Report: WGII

MDB

Definition: multilateral development bank

Report: WGIII

MDG

Definition: Madagascar

Report: WGI

MDG

Definition: Millennium Development Goal

Report: WGII

MDGs

Definition: Millennium Development Goals

Report: SR1.5

ME

Definition: material efficiency

Report: WGIII

MEA

Definition: Millennium Ecosystem Assessment

Report: SR1.5, SRCCL, WGII

MEA

Definition: multilateral environmental agreement

Report: WGIII

MEASO

Definition: Marine Ecosystem Assessment for the Southern Ocean

Report: WGII

MED

Definition: South Europe/Mediterranean

Report: SR1.5

MED

Definition: Middle Eastern Dust Storms

Report: SRCCL

MED

Definition: Mediterranean

Report: WGI, WGII

MEE

Definition: Ministry of Ecology and Environment

Report: WGII

MEFF

Definition: Mediterranean Flood Fatalities Database

Report: WGII

MEL

Definition: Monitoring, Evaluation and Learning

Report: WGII

MENA

Definition: Middle East North Africa

Report: WGI

MENA

Definition: Middle East and North Africa

Report: WGII

MEPC

Definition: Marine Environment Protection Committee

Report: WGIII

MEPS

Definition: Minimum Energy Performance Standards

Report: SR1.5

MEPSs

Definition: Minimum Energy Performance Standards

Report: WGIII

MER

Definition: Market Exchange Rates

Report: SR1.5

MERET

Definition: Managing Environmental Resources to Enable Transitions

Report: SR1.5

MERGE-ETL

Definition: Model for Evaluating Regional and Global Effects of greenhouse gas reduction policies – Endogenous Technology Learning

Report: SR1.5

MERI

Definition: Monitoring, Evaluation, Reporting and Improvement

Report: WGII

MERIS

Definition: Medium Resolution Imaging Spectrometer

Report: SRCCL

MERRA

Definition: Modern-Era Retrospective Analysis for Research and Applications

Report: WGI

MERS

Definition: Middle East Respiratory Syndrome

Report: WGII

MES

Definition: material efficiency scenario

Report: WGIII

MESSAGE

Definition: Model for Energy Supply Systems And their General Environmental impact

Report: SR1.5, SRCCL

METACLIP

Definition: Metadata for climate products project

Report: WGI

MFP

Definition: Multistakeholder Forestry Programme

Report: WGII

MFS

Definition: Microfinance Services

Report: SRCCL

MGNREGA

Definition: Mahatma Gandhi National Rural Employment Guarantee Act

Report: WGII

MH

Definition: mid-Holocene

Report: WGI

MHW

Definition: Marine Heatwave

Report: SROCC

MHW

Definition: marine heatwave

Report: WGI

MHW

Definition: Marine Heatwaves

Report: WGII

MI

Definition: Myocardial Infarction

Report: WGII

MICI

Definition: Marine Ice Cliff Instability

Report: SROCC

MICI

Definition: marine ice cliff instability

Report: WGI

MIGA

Definition: Multilateral Investment Guarantee Agency

Report: WGIII

MIP

Definition: Model Intercomparison Project

Report: SROCC, WGI

MIPs

Definition: Model Intercomparison Projects

Report: WGII

MIROC

Definition: Model for Interdisciplinary Research on Climate

Report: SR1.5, WGI

MIRWH

Definition: Mechanized Micro Rainwater Harvesting

Report: SRCCL

MIS

Definition: Marine Isotope Stage

Report: WGI

MIS

Definition: mission-oriented innovation systems

Report: WGIII

MISI

Definition: Marine Ice Sheet Instability

Report: SR1.5, SROCC, WGII

MISI

Definition: marine ice sheet instability

Report: WGI

MISMIP

Definition: Marine Ice Sheet Model Intercomparison Projects

Report: WGI

MIT IGSM

Definition: Massachusetts Institute of Technology Integrated Global System Model

Report: SR1.5

MJ

Definition: Megajoules

Report: SR1.5, SRCCL

MJ

Definition: megajoule

Report: WGIII

MJO

Definition: Madden–Julian Oscillation

Report: WGI

MLO

Definition: Mauna Loa Observatory

Report: WGI

MLP

Definition: multi-level perspective

Report: WGIII

MME

Definition: multi-model ensemble

Report: WGI

MMT

Definition: Minimum Mortality Temperature

Report: WGII

MND

Definition: Micro Nutrient Deficiency

Report: SRCCL

MOC

Definition: Meridional Overturning Circulation

Report: SROCC

MOC

Definition: meridional overturning circulation

Report: WGI

MODIS

Definition: Moderate Resolution Imaging Spectroradiometer

Report: SRCCL, WGI, WGII

MOE

Definition: molten oxide electrolysis

Report: WGIII

MOFPI

Definition: Ministry of Food Processing Industries

Report: SRCCL

MOHC

Definition: Met Office Hadley Centre

Report: SR1.5

MOOC

Definition: massive open online course

Report: WGIII

MOPEX

Definition: Model Parameter Estimation Experiment

Report: SR1.5

MPA

Definition: Marine Protected Area

Report: SROCC

MPA

Definition: Marine-Protected Area

Report: WGII

MPAs

Definition: Marine Protected Areas

Report: SR1.5

MPI

Definition: Max-Planck-Institut für Meteorologie (Max Planck Institute for Meteorology)

Report: SR1.5

MPI

Definition: Max Planck Institute for Meteorology

Report: WGI

MPI

Definition: Multidimensional Poverty Index

Report: WGII

MPWP

Definition: Mid Pliocene Warm Period

Report: SR1.5

MPWP

Definition: mid-Pliocene Warm Period

Report: WGI

MPa

Definition: megapascal

Report: WGIII

MRFCJ

Definition: Mary Robinson Foundation – Climate Justice

Report: SR1.5

MRI

Definition: Meteorological Research Institute of Japan Meteorological Agency

Report: SR1.5

MRI

Definition: Meteorological Research Institute, Japan Meteorological Agency

Report: WGI

MRV

Definition: Measurement, Reporting and Verification

Report: SR1.5, SROCC

MRV

Definition: Monitoring, Reporting and Verification

Report: SRCCL, WGII

MRV

Definition: measuring, reporting and verifying or measuring, reporting and verification

Report: WGIII

MS

Definition: member state

Report: WGIII

MSA

Definition: Mean Species Abundance

Report: SRCCL

MSD

Definition: midsummer drought

Report: WGI

MSFD

Definition: Marine Strategy Framework Directive

Report: WGII

MSL

Definition: Mean Sea Level

Report: SROCC, WGII

MSME

Definition: micro, small and medium enterprises

Report: WGIII

MSP

Definition: Marine Spatial Planning

Report: WGII

MSR

Definition: Multi-Sector Risk score

Report: SR1.5

MSRI

Definition: Modified System of Rice Intensification

Report: WGII

MSSD

Definition: Mediterranean Strategy for Sustainable Development

Report: WGII

MSY

Definition: Maximum Sustainable Yield

Report: SROCC

MSY

Definition: Maximum Sustainable Yields

Report: WGII

MTA

Definition: methanol-to-aromatics

Report: WGIII

MTE

Definition: Mediterranean-Type Ecosystems

Report: WGII

MTFR

Definition: maximum technically feasible reductions

Report: WGI

MTO

Definition: methanol-to-olefins

Report: WGIII

MTOE

Definition: Million Tonnes of Oil Equivalent

Report: SRCCL

MWh

Definition: Megawatt hour

Report: SYR

MWh

Definition: megawatt hour

Report: WGIII

Ma

Definition: Million years ago

Report: SR1.5

MaaS

Definition: Mobility as a Service

Report: WGIII

MacPDM

Definition: Macro-scale – Probability-Distributed Moisture Model

Report: SR1.5

MeHg

Definition: Methylmercury

Report: WGII

MfE

Definition: Ministry for the Environment

Report: WGII

Mha

Definition: Megahectare

Report: SR1.5, SRCCL

Mha

Definition: million hectares

Report: WGIII

Mkm2

Definition: million square kilometres

Report: WGIII

MoCC

Definition: Ministry of Climate Change and Adaptation (Government of Vanuatu)

Report: SR1.5

ModAct

Definition: Moderate Action scenario

Report: WGIII

Mt

Definition: Megatonnes

Report: SR1.5, SRCCL

Mt

Definition: megatonne

Report: WGIII

m

Definition: Metres

Report: SR1.5

m w.e.

Definition: Meter Water Equivalent

Report: WGII

m.a.s.l.

Definition: Metres Above Sea Level

Report: WGII

m3 cap-1 yr-1

Definition: Cubic metres per capita per year

Report: SR1.5

mL

Definition: Millilitres

Report: SR1.5

mPWP

Definition: mid-Pliocene Warm Period

Report: SROCC

mbpd

Definition: million barrels per day

Report: WGIII

mg

Definition: Milligrams

Report: SR1.5

mm

Definition: Millimetres

Report: SR1.5

N

N

Definition: Nitrogen

Report: SR1.5, SRCCL

N2O

Definition: Nitrous oxide

Report: SR1.5, SYR

N2O

Definition: Nitrous Oxide

Report: SRCCL

N2O

Definition: nitrous oxide

Report: WGI, WGIII

NADW

Definition: North Atlantic Deep Water

Report: SROCC, WGI

NAF

Definition: North Africa and Middle East

Report: WGII

NAFTA

Definition: North American Free Trade Agreement

Report: WGIII

NAHS

Definition: National Aboriginal Health Strategy

Report: WGII

NAM

Definition: Northern Annular Mode

Report: WGI

NAMA

Definition: Nationally Appropriate Mitigation Action

Report: SRCCL

NAMA

Definition: Nationally Appropriate Mitigation Actions

Report: WGIII

NAO

Definition: North Atlantic Oscillation

Report: SROCC, WGI, WGII

NAP

Definition: National Adaptation Plan

Report: SR1.5, SRCCL, WGII

NAP

Definition: National Adaption Plan

Report: SROCC

NAP

Definition: national adaptation plan

Report: WGIII

NAPA

Definition: National Adaptation Program of Action

Report: SRCCL

NAPA

Definition: National Adaptation Programmes of Action

Report: WGII

NARC

Definition: Nepal Agricultural Research Council

Report: SRCCL

NARCCAP

Definition: North American Regional Climate Change Assessment Program

Report: WGI

NAS

Definition: North Asia

Report: SR1.5

NAS

Definition: National Adaptation Strategy

Report: WGII

NASA

Definition: National Aeronautics and Space Administration

Report: SR1.5

NASA

Definition: USA National Aeronautics and Space Administration

Report: WGI

NASA/GISS

Definition: US National Aeronautics and Space Administration

Report: SRCCL

NASEM

Definition: National Academies of Sciences, Engineering, and Medicine

Report: SR1.5

NASH

Definition: North Atlantic Subtropical High

Report: WGI

NAU

Definition: North Australia

Report: SR1.5

NAU

Definition: Northern Australia

Report: WGI

NAZCA

Definition: Non-State Actor Zone for Climate Action

Report: WGIII

NAmerM

Definition: North American monsoon

Report: WGI

NBI

Definition: Nile Basin Initiative

Report: WGII

NBP

Definition: Net Biome Productivity

Report: WGI

NBS

Definition: Nature Based Solutions

Report: SRCCL

NBS

Definition: nature-based solutions

Report: WGIII

NCA

Definition: Northern Central America

Report: WGI

NCAR

Definition: National Center for Atmospheric Research

Report: SR1.5, WGI

NCCARF

Definition: National Climate Change Adaptation Research Facility

Report: SR1.5, WGII

NCCRS

Definition: National Climate Change Response Strategy

Report: WGII

NCD

Definition: Non-Communicable Diseases

Report: SRCCL

NCD

Definition: Non-Communicable Disease

Report: WGII

NCE

Definition: New Climate Economy

Report: SR1.5, SRCCL

NCEI

Definition: NOAA National Centers for Environmental Information

Report: WGI

NCEI

Definition: National Centers for Environmental Information

Report: WGII

NCEP

Definition: National Centers for Environmental Prediction

Report: SROCC

NCEP

Definition: NOAA National Centers for Environmental Prediction

Report: WGI

NCP

Definition: Nature's Contributions to People

Report: SRCCL

NCP

Definition: Nature's Contribution to People

Report: SROCC, WGII

NDC

Definition: Nationally Determined Contribution

Report: SRCCL, SYR, WGI, WGIII

NDC

Definition: Nationally Determined Contributions

Report: SROCC, WGII

NDCs

Definition: Nationally Determined Contributions

Report: SR1.5

NDD

Definition: number of dry days

Report: WGI

NDVI

Definition: Normalised Difference Vegetation Index

Report: SRCCL, WGII

NDVI

Definition: Normalized Difference Vegetation Index

Report: WGI

NE

Definition: Northeast

Report: WGII

NEA

Definition: Nuclear Energy Agency

Report: SR1.5

NEAF

Definition: North Eastern Africa

Report: WGI

NEB

Definition: North-East Brazil

Report: SR1.5

NEC

Definition: National Environment Commission (Royal Government of Bhutan)

Report: SR1.5

NEDO

Definition: New Energy and Industrial Technology Development Organisation, Japan

Report: WGIII

NELD

Definition: Non-Economic Loss and Damage

Report: WGII

NELD

Definition: non-economic loss and damage

Report: WGIII

NEN

Definition: North-Eastern North America

Report: WGI

NENA

Definition: Near East and North Africa

Report: SRCCL

NEON

Definition: National Science Foundation's National Ecological Observatory Network

Report: SRCCL

NEP

Definition: National Energy Programme

Report: SRCCL

NEP

Definition: Net Ecosystem Production

Report: WGII

NES

Definition: North-Eastern South America

Report: WGI

NESP

Definition: National Environmental Science Program

Report: WGII

NET

Definition: Negative Emission Technology

Report: SRCCL

NETL

Definition: National Energy Technology Laboratory (US Department of Energy)

Report: SR1.5

NEU

Definition: North Europe

Report: SR1.5

NEU

Definition: Northern Europe

Report: WGI, WGII

NEUS

Definition: European Arctic Waters

Report: WGII

NF

Definition: Near Future

Report: WGII

NF3

Definition: Nitrogen trifluoride

Report: SR1.5, SYR

NF3

Definition: nitrogen trifluoride

Report: WGIII

NFM

Definition: Natural Flood Management

Report: WGII

NFPP

Definition: National Forest Protection Program

Report: SRCCL

NGFS

Definition: Network for Greening the Financial System

Report: WGIII

NGHGI

Definition: national greenhouse gas inventories

Report: WGIII

NGO

Definition: Non-Governmental Organization

Report: SR1.5

NGO

Definition: Non-Governmental Organisation

Report: SRCCL, SROCC, WGII

NGO

Definition: non-governmental organisation

Report: WGIII

NH

Definition: Northern Hemisphere

Report: WGI

NH3

Definition: Ammonia

Report: SR1.5, SRCCL

NH3

Definition: ammonia

Report: WGI

NH4

Definition: ammonium

Report: WGI

NHD

Definition: Number of Hot Days

Report: SR1.5

NHS

Definition: National Health Service

Report: WGII

NIAB

Definition: National Institute of Agricultural Botany

Report: SRCCL

NIES

Definition: National Institute for Environmental Studies

Report: WGII

NILM

Definition: non-intrusive load monitoring

Report: WGIII

NIS

Definition: national innovation system

Report: WGIII

NITI Aayog

Definition: National Institution for Transforming India

Report: SR1.5

NIWA

Definition: National Institute of Water and Air

Report: WGII

NL

Definition: Netherlands

Report: WGII

NMAT

Definition: nighttime marine air temperature

Report: WGI

NMHS

Definition: National Meteorological and Hydrological Services

Report: WGII

NMVOC

Definition: Non-Methane Volatile Organic Compounds

Report: SR1.5

NMVOC

Definition: non-methane volatile organic compound

Report: WGI

NMVOC

Definition: non-methane volatile organic compounds

Report: WGIII

NO2

Definition: nitrogen dioxide

Report: WGI

NO3

Definition: nitrate

Report: WGI

NOAA

Definition: National Oceanic and Atmospheric Administration

Report: SR1.5, SROCC, WGIII

NOAA

Definition: US National Oceanic and Atmospheric Administration

Report: SRCCL

NOAA

Definition: USA National Oceanic and Atmospheric Administration

Report: WGI

NOAA AVHRR

Definition: US National Oceanic and Atmospheric Administration Advanced Very High Resolution Radiometer

Report: SRCCL

NOAA ESRL

Definition: US National Oceanic and Atmospheric Administration Earth System Research Laboratory

Report: SRCCL

NOAAGlobalTemp

Definition: NOAA Merged Land Ocean Global Surface Temperature Analysis

Report: WGI

NOx

Definition: Nitrogen oxides

Report: SR1.5

NOx

Definition: nitrogen oxides

Report: WGI

NPCC

Definition: New York City Panel on Climate Change

Report: SR1.5

NPO

Definition: North Pacific Ocean

Report: WGI

NPP

Definition: Net Primary Productivity

Report: SR1.5

NPP

Definition: Net Primary Production/Net Primary Productivity

Report: SRCCL

NPP

Definition: Net Primary Production

Report: SROCC

NPP

Definition: net primary production

Report: WGI

NPP

Definition: Net Primary Production / Nuclear Power Plants

Report: WGII

NPV

Definition: Net Present Value

Report: SR1.5, SRCCL, SROCC

NR

Definition: Non-Residential

Report: WGIII

NRC

Definition: National Research Council

Report: SR1.5, SRCCL

NRDC

Definition: Natural Resources Defence Council

Report: SRCCL

NRG

Definition: natural regrowth

Report: WGIII

NSA

Definition: Northern South America

Report: WGI

NSA

Definition: non-state actor

Report: WGIII

NSR

Definition: Northern Sea Route

Report: SR1.5, WGII

NSTT

Definition: North–South technology transfer and cooperation

Report: WGIII

NSW

Definition: New South Wales

Report: WGII

NT

Definition: Non-technological

Report: WGIII

NTDs

Definition: Neglected Tropical Diseases

Report: WGII

NTEM

Definition: national transport-energy models

Report: WGIII

NTFP

Definition: Non-Timber Forest Product

Report: SRCCL

NTFPs

Definition: Non-Timber Forest Products

Report: WGII

NTP

Definition: Pacific Islands region [2]

Report: SR1.5

NUA

Definition: New Urban Agenda

Report: WGII, WGIII

NUS

Definition: Neglected and Underutilised Species

Report: SRCCL

NWN

Definition: North-Western North America

Report: WGI

NWP

Definition: Northwest Passages

Report: WGII

NWS

Definition: North-Western South America

Report: WGI

NWS

Definition: Northwestern South America

Report: WGII

NYC

Definition: New York City

Report: SR1.5

NYCEDC

Definition: New York City Economic Development Corporation

Report: WGII

NYDF

Definition: New York Declaration on Forests

Report: WGIII

NZ

Definition: New Zealand

Report: WGI, WGII

NZAGRC

Definition: New Zealand Agricultural Greenhouse Gas Research Center

Report: SR1.5

NZCFSF

Definition: New Zealand Centre for Sustainable Finance

Report: WGII

NZE

Definition: net zero emissions

Report: WGIII

NZE scenario

Definition: Net-Zero Emissions by 2050 (IEA scenario)

Report: WGIII

NZEB

Definition: net zero energy building

Report: WGIII

NbS

Definition: Nature-Based Solutions

Report: WGII

NiCD

Definition: nickel–cadmium

Report: WGIII

NiMH

Definition: nickel-metal hydride

Report: WGIII

Nimby

Definition: Not in my back yard

Report: WGIII

NorESM

Definition: Norwegian Earth System Model

Report: SR1.5, WGI

nZEB

Definition: nearly zero energy building

Report: WGIII

O

O2

Definition: Oxygen

Report: SR1.5, SRCCL

O3

Definition: Ozone

Report: SR1.5, SRCCL, SYR

OA

Definition: Ocean Acidification or Ocean Alkalinization

Report: SR1.5

OA

Definition: Ocean Acidification

Report: SROCC, WGII

OA

Definition: organic aerosols

Report: WGI

OA

Definition: ocean alkalinity

Report: WGIII

OAC

Definition: Ocean Albedo Change

Report: WGII

OAC

Definition: ocean albedo change

Report: WGIII

OAE

Definition: ocean alkalinity enhancement

Report: WGIII

OC

Definition: Organic Carbon

Report: SR1.5, SRCCL

OC

Definition: organic carbon

Report: WGI

OCLTT

Definition: Capacity-Limited Thermal Tolerance

Report: WGII

ODA

Definition: Official Development Assistance

Report: WGII

ODA

Definition: overseas development assistance

Report: WGIII

ODS

Definition: ozone depleting substances

Report: WGI

ODS

Definition: ozone-depleting substance

Report: WGIII

OECD

Definition: Organisation for Economic Co-operation and Development

Report: SR1.5, SRCCL, WGI, WGIII

OECD

Definition: Organisation for Economic Co-Operation and Development

Report: WGII

OECM

Definition: Other Effective Area-Based Conservation Measures

Report: WGII

OEH

Definition: Office of Environment and Heritage

Report: WGII

OF

Definition: ocean fertilisation

Report: WGIII

OGCC

Definition: Optimal Gasification Combined Cycle

Report: SR1.5

OH

Definition: Hydroxyl Radical

Report: SRCCL

OH

Definition: hydroxyl radical

Report: WGI

OHC

Definition: Ocean Heat Content

Report: SROCC

OHC

Definition: ocean heat content

Report: WGI

OHCHR

Definition: Office of the United Nations High Commissioner for Human Rights

Report: SR1.5

OHRLLS

Definition: United Nations Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States

Report: WGII

OIF

Definition: Ocean Iron Fertilisation

Report: SR1.5

OLR

Definition: outgoing longwave radiation

Report: WGI

OLS

Definition: Ordinary Least Square

Report: SROCC

OLS

Definition: ordinary least squares

Report: WGI

OMI

Definition: Ozone Monitoring Instrument

Report: WGI

OMIP

Definition: Ocean Model Intercomparison Project

Report: WGI

OMVS

Definition: Senegal River Basin Organisation

Report: WGII

OMZ

Definition: Oxygen Minimum Zone

Report: SROCC

OMZ

Definition: Oxygen Minimum Zones

Report: WGII

OPEC

Definition: Organization of the Petroleum Exporting Countries

Report: WGIII

OPEX

Definition: operating and maintenance expenditures

Report: WGIII

ORCHIDEE

Definition: ORganising Carbon and Hydrology In Dynamic EcosystEms model

Report: SR1.5

ORCHIDEE

Definition: Organising Carbon and Hydrology In Dynamic Ecosystems

Report: SRCCL

ORR

Definition: NYC Mayor's Office of Recovery & Resiliency

Report: SR1.5

OS

Definition: Overshoot

Report: SR1.5

OS

Definition: overshoot

Report: WGIII

OSPAR

Definition: Convention for the Protection of the Marine Environment of the North-East Atlantic

Report: WGII

OSS

Definition: Sahara and Sahel Observatory

Report: SRCCL

OSS

Definition: one-stop shop

Report: WGIII

OW

Definition: The Office of Water

Report: WGII

P

P

Definition: Precipitation or Phosphorous

Report: SR1.5

P

Definition: Precipitation or Phosphorus

Report: SRCCL

P2P

Definition: peer-to-peer

Report: WGIII

PA

Definition: Paris Agreement

Report: WGI

PA

Definition: Partnership Agreement / Protected Area

Report: WGII

PA

Definition: The Paris Agreement

Report: WGIII

PACE

Definition: Property Assessed Clean Energy

Report: WGIII

PACJA

Definition: Pan Africa Climate Justice Alliance

Report: WGII

PAF

Definition: Pilot Auction Facility

Report: SRCCL

PAGCC

Definition: Gender and Climate Change Action Plans

Report: WGII

PAGE

Definition: Policy Analysis of the Greenhouse Effect model

Report: SR1.5

PAGES 2K

Definition: Past Global Changes 2k consortium

Report: WGI

PAGGW

Definition: Pan-African Agency of the Great Green Wall

Report: SRCCL

PAH

Definition: Polycyclic Aromatic Hydrocarbon

Report: SRCCL

PAHO

Definition: Pan American Health Organization

Report: SR1.5

PAYT

Definition: Pay As You Throw

Report: SRCCL

PBAP

Definition: Primary Biological Aerosol Particles

Report: SRCCL

PBEs

Definition: production-based emissions

Report: WGIII

PC

Definition: principal component

Report: WGI

PCB

Definition: Polychlorinated Biphenyl

Report: WGII

PCBs

Definition: Polychlorinated Biphenyls

Report: SROCC

PCCB

Definition: Paris Committee on Capacity-building

Report: WGIII

PCE

Definition: Parliamentary Commissioner for the Environment

Report: WGII

PCF

Definition: personal carbon footprint

Report: WGIII

PCM

Definition: Parallel Climate Model

Report: SR1.5

PCP

Definition: Precipitation

Report: SRCCL

PCRAFI

Definition: Pacific Catastrophe Risk Assessment and Financing Initiative

Report: SRCCL, WGIII

PDB

Definition: public development bank

Report: WGIII

PDO

Definition: Pacific Decadal Oscillation

Report: SROCC, WGI, WGII

PDRC

Definition: People's Democratic Republic of Congo

Report: WGII

PDS

Definition: Public Distribution System

Report: WGII

PDSI

Definition: Palmer Drought Severity Index

Report: SR1.5, WGI, WGII

PDV

Definition: Pacific Decadal Variability

Report: WGI

PE

Definition: Primary Energy or Partial Equilibrium

Report: SR1.5

PE

Definition: Asked for Expansion

Report: WGII

PEFC

Definition: Programme for the Endorsement of Forest Certification

Report: SRCCL, WGIII

PEFC

Definition: Program for the Endorsement of Forest Certification

Report: WGII

PEMFC

Definition: proton-exchange membrane fuel cells

Report: WGIII

PERSIANN-CDR

Definition: Precipitation estimations from Remotely Sensed Information using Artificial Neural Networks Climate Data Record

Report: WGI

PES

Definition: Payment for Environmental Services/Payment for Ecosystem Services

Report: SRCCL

PES

Definition: Payments for Ecosystem Services

Report: WGII

PES

Definition: payment for ecosystem services

Report: WGIII

PET

Definition: Physiologically Equivalent Temperature or Potential Evapo-Transpiration

Report: SR1.5

PET

Definition: Potential Evapotranspiration

Report: SRCCL, WGII

PETM

Definition: Paleocene–Eocene Thermal Maximum

Report: WGI

PFC

Definition: Perfluorocarbons

Report: SROCC

PFC

Definition: Perfluorocarbon

Report: WGII

PFCs

Definition: Perfluorocarbons

Report: SR1.5, SYR

PFCs

Definition: perfluorocarbons

Report: WGIII

PHEV

Definition: Plug-in Hybrid Electric Vehicle

Report: SR1.5

PHEV

Definition: plug-in hybrid electric vehicle

Report: WGIII

PHL

Definition: Post Harvest Losses

Report: SRCCL

PICS

Definition: Purdue Improved Crop Storage

Report: SRCCL

PICSA

Definition: Participatory Integrated Climate Services for Agriculture

Report: WGII

PIDA

Definition: African Union's Programme for Infrastructure Development

Report: WGII

PIDACC

Definition: Programmes for Integrated Development and Adaptation to Climate Change

Report: WGII

PIG

Definition: Pine Island Glacier

Report: SROCC

PIK

Definition: Potsdam-Institut für Klimafolgenforschung (Potsdam Institute for Climate Impact Research)

Report: SR1.5

PISM

Definition: Parallel Ice Sheet Model

Report: SROCC

PM

Definition: Particulate Matter

Report: SRCCL, SROCC, WGII

PM

Definition: particulate matter

Report: WGI, WGIII

PM10

Definition: Particulate Matter with Aerodynamic Diameter <10 μm

Report: SR1.5

PM10

Definition: particulate matter with diameter of less than 10 microns

Report: WGI

PM2.5

Definition: Particulate Matter with Aerodynamic Diameter <2.5 μm

Report: SR1.5

PM2.5

Definition: Particulate matter with size less than 2.5 µm

Report: SRCCL

PM2.5

Definition: particulate matter with diameter of less than 2.5 microns

Report: WGI

PMIP

Definition: Paleoclimate Modelling Intercomparison Project

Report: WGI

POA

Definition: primary organic aerosols

Report: WGI

POC

Definition: Particulate Organic Carbon

Report: SROCC, WGII

POLES

Definition: Prospective Outlook on Long-term Energy Systems model

Report: SR1.5

POMS

Definition: Pacific Oyster Mortality Syndrome

Report: WGII

POP

Definition: Persistent Organic Pollutants

Report: SROCC

POP

Definition: Persistent Organic Pollutant

Report: WGII

PP

Definition: primary production

Report: WGI

PPA

Definition: Power Purchase Agreements

Report: SRCCL

PPA

Definition: Power Purchase Agreement

Report: WGIII

PPADI

Definition: Human Development Index, Recently Adjusted to Reflect the Effect of Planetary Pressures

Report: WGII

PPB

Definition: Participatory Plant Breeding

Report: WGII

PPCA

Definition: Powering Past Coal Alliance

Report: WGIII

PPCDAm

Definition: Interministerial Plan of Action for Prevention and Control of Deforestation of the Legal Amazon

Report: SRCCL

PPCR

Definition: Pilot Program for Climate Resilience

Report: WGIII

PPI

Definition: Plant Phenology Index

Report: SRCCL

PPI

Definition: pulp and paper industry

Report: WGIII

PPP

Definition: Purchasing Power Parity

Report: SR1.5, SYR

PPP

Definition: Public–Private Partnerships / Purchasing Power Parity

Report: WGII

PPP

Definition: public-private partnership / purchasing power parity

Report: WGIII

PR

Definition: Probability Ratio

Report: SR1.5

PRI

Definition: Principles for Responsible Investment

Report: WGIII

PRIMAP

Definition: Potsdam Real-time Integrated Model for the probabilistic Assessment of emission Paths

Report: SRCCL

PSI

Definition: Principles for Sustainable Insurance

Report: WGII

PSNP

Definition: Productive Safety Net Programme

Report: WGII

PSS-78

Definition: Practical Salinity Scale 1978

Report: WGI

PSU

Definition: Practical Salinity Unit

Report: SROCC

PTSD

Definition: Post-Traumatic Stress Disorder

Report: WGII

PV

Definition: Photovoltaics

Report: SR1.5

PV

Definition: Photovoltaic

Report: SYR

PV

Definition: photovoltaic

Report: WGIII

PWC

Definition: Physical Work Capacity

Report: WGII

PWLM

Definition: Participatory Watershed Land-Use Management

Report: WGII

Pas

Definition: Protected Areas

Report: WGII

Pg

Definition: Petagrams

Report: SR1.5

PgC

Definition: petagrams of carbon

Report: WGI

PgCeq

Definition: petagrams of carbon equivalent

Report: WGI

PlioMIP

Definition: Pliocene Model Intercomparison Project

Report: WGI

PoU

Definition: Prevalence of Undernourishment

Report: SRCCL

pCO2

Definition: partial pressure of CO2

Report: WGI

pCO2

Definition: Partial Pressure of Carbon Dioxide

Report: WGII

pH

Definition: Potential of Hydrogen

Report: WGII

pkm

Definition: passenger-kilometres

Report: WGIII

pp

Definition: People

Report: SR1.5

ppb

Definition: Parts per billion

Report: SR1.5

ppb

Definition: parts per billion

Report: SYR

ppm

Definition: Parts per million

Report: SR1.5

ppm

Definition: parts per million

Report: SYR

ppmv

Definition: parts per million volume

Report: SROCC

ppt

Definition: Parts per thousand

Report: SR1.5

Q

QBO

Definition: quasi-biennial oscillation

Report: WGI

QE

Definition: quantitative easing

Report: WGIII

QFCI

Definition: Queensland Floods Commission of Inquiry

Report: WGII

QFES

Definition: Queensland Fire and Emergency Services

Report: WGII

QOL

Definition: Quality of Life

Report: WGII

R

R&D

Definition: Research and Development

Report: SR1.5, SYR

R&D

Definition: research and development

Report: WGIII

RAP

Definition: Representative Agricultural Pathways

Report: SRCCL

RAR

Definition: Russian Arctic Region

Report: WGI

RAWES

Definition: Rapid Assessment of Wetland Ecosystem Services

Report: WGII

RBNZ

Definition: Reserve Bank of New Zealand

Report: WGII

RCA

Definition: Rossby Centre Regional Atmospheric Model

Report: SR1.5

RCB

Definition: Remaining Carbon Budget

Report: SYR

RCEP

Definition: Regional Comprehensive Economic Partnership

Report: WGIII

RCI

Definition: Rotterdam Climate Initiative

Report: SR1.5

RCM

Definition: Regional Climate Model

Report: SR1.5, SROCC, WGII

RCM

Definition: Regional Climate Models

Report: SRCCL

RCM

Definition: regional climate model

Report: WGI

RCM

Definition: reduced complexity model

Report: WGIII

RCMIP

Definition: Reduced Complexity Model Intercomparison Project

Report: WGI

RCP

Definition: Representative Concentration Pathway

Report: SRCCL, SROCC, WGI, WGII, WGIII

RCPs

Definition: Representative Concentration Pathways

Report: SR1.5

RCPs

Definition: Representative Concentration Pathways (e.g. RCP2.6, pathway for which radiative forcing by 2100 is limited to 2.6 Wm-2)

Report: SYR

RCSA

Definition: Rwanda Climate Services Programme

Report: WGII

RD&D

Definition: research, development and demonstration

Report: WGIII

RDI

Definition: Research, Development and Innovation

Report: WGIII

RDM

Definition: Robust Decision Making

Report: SROCC

RDM

Definition: Robust Decision-Making

Report: WGII

RDOC

Definition: Refractory Dissolved Organic Carbon

Report: SROCC

RE

Definition: Renewable Energy

Report: WGII

RECC

Definition: Resource Efficiency and Climate Change

Report: WGIII

RECC-LED

Definition: Resource Efficiency and Climate Change-Low Energy Demand (IEA scenario)

Report: WGIII

REDD

Definition: Reducing Emissions from Deforestation and Degradation

Report: SRCCL

REDD

Definition: Reduction of Emissions From Deforestation and Forest Degradation

Report: WGII

REDD+

Definition: Reducing Emissions from Deforestation and forest Degradation; and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks in developing countries

Report: SR1.5

REDD+

Definition: Reducing Emissions from Deforestation and Degradation and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks in developing countries

Report: SRCCL

REDD+

Definition: reducing emissions from deforestation and forest degradation and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks

Report: WGIII

REEs

Definition: rare earth elements

Report: WGIII

REGEN

Definition: Rainfall Estimates on a Gridded Network

Report: WGII

REMIND

Definition: REgional Model of INvestments and Development

Report: SR1.5, SRCCL

REN21

Definition: Renewable Energy Policy Network for the 21st Century

Report: SR1.5, SRCCL

RESTREND

Definition: Residual Trends

Report: SRCCL

RF

Definition: Radiative Forcing

Report: SR1.5, SRCCL

RF

Definition: radiative forcing

Report: WGI

RFC

Definition: Reason for Concern

Report: SR1.5, SROCC, WGII

RFC

Definition: Reasons for Concern

Report: WGI

RFCs

Definition: Reasons for Concern

Report: SYR

RFE

Definition: Russian Far East

Report: WGI

RFMIP

Definition: Radiative Forcing Model Intercomparison Project

Report: WGI

RFMO

Definition: Regional Fisheries Management Organisation

Report: WGII

RGGI

Definition: Regional Greenhouse Gas Initiative

Report: WGIII

RGI

Definition: Randolph Glacier Inventory

Report: SROCC

RGoB

Definition: Royal Government of Bhutan

Report: SR1.5

RH

Definition: relative humidity

Report: WGI

RICH

Definition: Radiosonde Innovation Composite Homogenization

Report: WGI

RIL

Definition: Reduced Impact Logging

Report: SRCCL

RIMAP

Definition: Real-time Integrated Model for probabilistic Assessment of emissions Paths

Report: WGIII

RIO

Definition: Rational Impartial Observer

Report: WGII

RIS

Definition: regional innovation systems

Report: WGIII

RIT

Definition: Resilient Infrastructure and Technologies

Report: WGII

RITC

Definition: Rapid Intensification of Tropical Cyclones

Report: SROCC

RKR

Definition: Representative Key Risk

Report: WGI, WGII

RKR

Definition: Representative Key Risks

Report: WGIII

RMB

Definition: Renminbi

Report: WGII

RMI

Definition: Rocky Mountain Institute

Report: SR1.5

RNCFC

Definition: Reference Non-CO2 Forcing Contribution

Report: SR1.5

RNCTC

Definition: Reference Non-CO2 Temperature Contribution

Report: SR1.5

RO

Definition: radio occultation

Report: WGI

ROSCA

Definition: Rotating Saving and Credit Association

Report: SRCCL

ROSES

Definition: Reporting Standards for Systematic Evidence Syntheses

Report: WGII

RPDS

Definition: Research Program on Dryland Systems

Report: SRCCL

RPK

Definition: revenue passenger-kilometres

Report: WGIII

RRV

Definition: Ross River Virus

Report: WGII

RSD

Definition: relative standard deviation

Report: WGIII

RSL

Definition: Relative Sea Level

Report: SROCC, WGII

RSL

Definition: relative sea level

Report: WGI

RSLR

Definition: Relative Sea Level Rise

Report: SROCC

RSLR

Definition: relative sea level rise

Report: WGI

RSLR

Definition: Relative Sea-Level Rise

Report: WGII

RSPO

Definition: Roundtable on Sustainable Palm Oil

Report: WGIII

RTI

Definition: Respiratory Tract Infection

Report: WGII

RTS

Definition: Reference Technology Scenario

Report: WGIII

RUE

Definition: Rain Use Efficiency

Report: SRCCL

RUSLE

Definition: Revised Universal Soil Loss Equation

Report: SRCCL

RVF

Definition: Rift Valley Fever

Report: WGII

RVI

Definition: Reconstructed Vegetation Index

Report: SRCCL

RWH

Definition: Rainwater Harvesting

Report: SRCCL

RX1day

Definition: Annual Maximum 1-day Precipitation

Report: SRCCL

ReEDS-IPM

Definition: Regional Electricity Deployment System model – Integrated Planning Model

Report: SR1.5

ReSOLVE

Definition: Regenerate, Share, Optimise, Loop, Virtualise, Exchange framework

Report: WGIII

RegCM

Definition: Regional Climate Model system

Report: SR1.5

RegCM

Definition: Regional Climate Model

Report: SRCCL

Rx1day

Definition: Annual maximum 1-day precipitation

Report: SR1.5

Rx5day

Definition: Annual maximum 5-day precipitation

Report: SR1.5

S

S&L

Definition: standards and labelling

Report: WGIII

SAF

Definition: Southern Africa

Report: SR1.5

SAF

Definition: sustainable aviation fuel

Report: WGIII

SAH

Definition: Sahara

Report: SR1.5, SRCCL, WGI

SAI

Definition: Stratospheric Aerosol Injection

Report: SR1.5

SAI

Definition: stratospheric aerosol injection

Report: WGI

SAI

Definition: Stratospheric Aerosol Intervention

Report: WGII

SAI

Definition: stratospheric aerosol interventions

Report: WGIII

SAIA

Definition: South African Insurance Association

Report: WGII

SAIIA

Definition: South African Institute of International Affairs

Report: WGII

SAM

Definition: Southern Annular Mode

Report: SROCC, WGI

SAM

Definition: Southern Annular Mode / South American Monsoon

Report: WGII

SAM

Definition: Social Accounting Matrix

Report: WGIII

SAMOC

Definition: South Atlantic Meridional Overturning Circulation

Report: SROCC

SAMS

Definition: South American Monsoon System

Report: SR1.5

SAO

Definition: South Atlantic Ocean

Report: WGI

SAOD

Definition: stratospheric aerosol optical depth

Report: WGI

SAR

Definition: IPCC Second Assessment Report

Report: SR1.5, WGI

SAR

Definition: Second Assessment Report

Report: WGII, WGIII

SARF

Definition: stratospheric-temperature-adjusted radiative forcing

Report: WGI

SARPs

Definition: Standards and Recommended Practices

Report: WGIII

SARS

Definition: Severe Acute Respiratory Syndrome

Report: WGII

SAS

Definition: South Asia

Report: SR1.5, SRCCL, WGI, WGII

SASB

Definition: Sustainability Accounting Standards Board

Report: WGIII

SASSCAL

Definition: Southern African Science Service Centre for Climate Change, Adaptive Land Management

Report: WGII

SAT

Definition: Surface Air Temperature

Report: SR1.5, SRCCL

SAT

Definition: surface air temperature

Report: WGI

SAU

Definition: South Australia/New Zealand

Report: SR1.5

SAU

Definition: Southern Australia

Report: WGI

SAmerM

Definition: South American monsoon

Report: WGI

SAsiaM

Definition: South and South East Asian monsoon

Report: WGI

SBSTA

Definition: Subsidiary Body for Scientific and Technological Advice (UNFCCC)

Report: SR1.5

SBSTA

Definition: Subsidiary Body for Scientific and Technological Advice

Report: WGIII

SBT

Definition: science-based target

Report: WGIII

SC

Definition: Sponge City

Report: WGII

SCA

Definition: Southern Central America

Report: WGI

SCC

Definition: Social Cost of Carbon

Report: SR1.5, SRCCL, WGII

SCC

Definition: social cost of carbon

Report: WGIII

SCCF

Definition: Special Climate Change Fund

Report: WGIII

SCE

Definition: snow cover extent

Report: WGI

SCE

Definition: Snow Cover Extent

Report: WGII

SCM

Definition: simple climate model

Report: WGI

SCS

Definition: Soil Carbon Sequestration

Report: SR1.5

SCS

Definition: soil carbon sequestration

Report: WGIII

SD

Definition: Sustainable Development

Report: SR1.5, SROCC, WGII

SD

Definition: Standard Deviation or Sustainable Development

Report: SRCCL

SDG

Definition: Sustainable Development Goal

Report: SRCCL, SYR, WGII, WGIII

SDG

Definition: Sustainable Development Goals

Report: WGI

SDGVM

Definition: Sheffield Dynamic Global Vegetation Model

Report: SR1.5

SDGs

Definition: Sustainable Development Goals

Report: SR1.5, SROCC

SDII

Definition: Simple Daily Intensity Index

Report: SR1.5

SDM

Definition: Structured Decision Making

Report: SROCC

SDM

Definition: Species Distribution Model

Report: WGII

SDP

Definition: Sustainable Development Pathway

Report: SROCC, WGII

SDPS

Definition: shifting development pathways to increased sustainability

Report: WGIII

SDPs

Definition: Shifting Development Pathways

Report: SYR

SDR

Definition: Special Drawing Rights

Report: WGIII

SDS

Definition: Sand and Dust Storms

Report: WGII

SDS

Definition: Sustainable Development Scenario (IEA scenario)

Report: WGIII

SDS-WAS

Definition: Sand and Dust Storm Warning Advisory and Assessment System

Report: SRCCL

SDSN

Definition: Sustainable Development Solutions Network

Report: SR1.5, WGIII

SE

Definition: Southeast

Report: WGII

SE

Definition: sustainable entrepreneur

Report: WGIII

SEA

Definition: Southeast Asia

Report: SR1.5

SEA

Definition: South East Asia

Report: WGI

SEA

Definition: strategic environmental assessment

Report: WGIII

SEADRIF

Definition: South East Asian Disaster Risk Insurance Facility

Report: WGIII

SEAF

Definition: South Eastern Africa

Report: WGI

SEAPs

Definition: Sustainable Energy Action Plans

Report: SR1.5

SEC

Definition: specific energy consumption

Report: WGIII

SECA

Definition: sulphur emission control area

Report: WGIII

SED

Definition: Structured Expert Dialogue

Report: SR1.5, WGI

SEEA

Definition: System of Environmental–Economic Accounting

Report: WGII

SEEMP

Definition: Ship Energy Efficiency Management Plan

Report: WGIII

SEJ

Definition: Structured Expert Judgement

Report: WGI

SEM

Definition: Semi-Empirical Model

Report: SR1.5

SEM

Definition: structural equations modelling

Report: WGIII

SER

Definition: Sufficiency, Efficiency, Renewal

Report: WGIII

SERFOR

Definition: National Forest Service and Wildlife Authority

Report: SRCCL

SES

Definition: Socio-Ecological Systems

Report: SRCCL

SES

Definition: South-Eastern South America

Report: WGI

SES

Definition: Socio-Ecological Systems / Southeast South America / Semi-Enclosed Sea

Report: WGII

SETAC

Definition: Society of Environmental Toxicology and Chemistry (UNEP-SETAC)

Report: WGIII

SETS

Definition: Social, Ecological and Technological Systems

Report: WGII

SEU

Definition: Southern Europe

Report: WGII

SEUS

Definition: Mediterranean Sea and Black Sea

Report: WGII

SF6

Definition: Sulphur hexafluoride

Report: SR1.5

SF6

Definition: Sulphur Hexafluoride

Report: SYR

SF6

Definition: sulphur hexaflouride

Report: WGI

SF6

Definition: sulphur hexafluoride

Report: WGIII

SFM

Definition: Sustainable Forest Management

Report: SR1.5, SRCCL

SFSC

Definition: Shortening Food Supply Chain

Report: SRCCL

SH

Definition: Southern Hemisphere

Report: SROCC, WGI

SHELF

Definition: Sheffield Elicitation Framework

Report: WGII

SI

Definition: Sustainable Intensification

Report: SRCCL, WGII

SI

Definition: sustainable intensification

Report: WGIII

SIA

Definition: sea ice area

Report: WGI

SIB

Definition: State Investment Bank

Report: SRCCL

SICAR

Definition: National Land Registry System

Report: SRCCL

SIDS

Definition: Small Island Developing States

Report: SR1.5, SRCCL, SROCC, SYR, WGI, WGII, WGIII

SIE

Definition: sea ice extent

Report: WGI

SIFMA

Definition: Securities Industry and Financial Markets Association

Report: SR1.5

SIS

Definition: sectoral innovation system

Report: WGIII

SITES

Definition: Sustainable Sites Initiative

Report: WGII

SL

Definition: Slovenia

Report: WGII

SLCF

Definition: Short-Lived Climate Forcer

Report: SRCCL, SYR, WGII

SLCF

Definition: Short-Lived Climate Forcers

Report: SROCC

SLCF

Definition: short-lived climate forcer

Report: WGI, WGIII

SLCFs

Definition: Short-Lived Climate Forcers

Report: SR1.5

SLCP

Definition: Short Lived Climate Pollutant

Report: SRCCL

SLCP

Definition: short-lived climate pollutant

Report: WGIII

SLCPs

Definition: Short-Lived Climate Pollutants

Report: SR1.5

SLE

Definition: Sea Level Equivalent

Report: SROCC

SLE

Definition: sea level equivalent

Report: WGI

SLM

Definition: Sustainable Land Management

Report: SRCCL, WGII

SLM

Definition: sustainable land management

Report: WGIII

SLP

Definition: Sea Level Pressure

Report: SROCC

SLP

Definition: sea level pressure

Report: WGI

SLR

Definition: Sea Level Rise

Report: SR1.5, SROCC, WGII

SLR

Definition: sea level rise

Report: WGI, WGIII

SLURC

Definition: Sierra Leone Urban Research Centre

Report: WGII

SLoCaT

Definition: Sustainable Low Carbon Transport Partnership

Report: WGIII

SM

Definition: Supplementary Material

Report: SR1.5, WGII

SM

Definition: Supplementary Materials

Report: SRCCL

SM

Definition: smart manufacturing

Report: WGIII

SMA

Definition: Soil Moisture Anomalies

Report: SR1.5

SMAP

Definition: Soil Moisture Active Passive

Report: WGI

SMART

Definition: Stormwater Management and Road Tunnel

Report: WGII

SMB

Definition: Surface Mass Balance

Report: SROCC

SMB

Definition: surface mass balance

Report: WGI

SME

Definition: Small and Medium Enterprises

Report: WGII

SMEs

Definition: small and medium-sized enterprises

Report: WGIII

SMHI

Definition: Swedish Meteorological and Hydrological Institute

Report: SR1.5

SMILE

Definition: single-model initial-condition large ensemble

Report: WGI

SNA

Definition: System of National Accounts

Report: WGII, WGIII

SNTT

Definition: South–North technology transfer and cooperation

Report: WGIII

SO2

Definition: Sulphur dioxide

Report: SR1.5

SO2

Definition: Sulfur dioxide

Report: SRCCL

SO2

Definition: sulphur dioxide

Report: WGI, WGIII

SO4

Definition: sulphate

Report: WGI

SOA

Definition: Secondary Organic Aerosols

Report: SRCCL

SOA

Definition: secondary organic aerosols

Report: WGI

SOC

Definition: Soil Organic Carbon

Report: SRCCL, WGII

SOE

Definition: state-owned enterprise

Report: WGIII

SOFC

Definition: solid oxide fuel cell

Report: WGIII

SOFI

Definition: The State of Food Security and Nutrition in the World

Report: SRCCL

SOI

Definition: Southern Oscillation Index

Report: WGI, WGII

SOLARIS HEPPA

Definition: SOLARIS High Energy Particle Precipitation in the Atmosphere

Report: SR1.5

SOM

Definition: Soil Organic Matter

Report: SRCCL, WGII

SON

Definition: September, October, November

Report: SR1.5

SON

Definition: September-October-November

Report: SRCCL

SON

Definition: September–October–November

Report: WGI

SOO

Definition: Southern Ocean

Report: WGI

SOx

Definition: Sulphur oxides

Report: SR1.5

SOx

Definition: sulphur oxides

Report: WGI

SP

Definition: Social Protection

Report: WGII

SPAs

Definition: Shared climate Policy Assumptions

Report: SR1.5

SPC

Definition: Secretariat of the Pacific Community

Report: SR1.5

SPCZ

Definition: South Pacific Convergence Zone

Report: WGI

SPEI

Definition: Standardized Precipitation Evapotranspiration Index

Report: SR1.5, WGI

SPEI

Definition: Standardised Precipitation Evapotranspiration Index

Report: WGII

SPG

Definition: Subpolar Gyre

Report: SROCC

SPI

Definition: Standardised Precipitation Index

Report: SR1.5, WGII

SPI

Definition: Standardized Precipitation Index

Report: WGI

SPM

Definition: Summary for Policymakers

Report: SR1.5, SROCC, WGI, WGII, WGIII

SPM

Definition: Summary For Policymakers

Report: SYR

SPO

Definition: South Pacific Ocean or South Pole Observatory

Report: WGI

SPOT VGT

Definition: Satellite Pour l'Observation de la Terre Vegetation (Satellite for the Observation of the Earth Vegetation)

Report: SRCCL

SPP

Definition: State Planning Policy

Report: WGII

SPV

Definition: Special Purpose Vehicle

Report: WGII

SPV

Definition: special purpose vehicle

Report: WGIII

SR-LULUCF

Definition: IPCC Special Report on Land Use, Land-Use Change and Forestry

Report: SRCCL

SR1.5

Definition: IPCC Special Report on Global Warming of 1.5°C

Report: SR1.5, WGI, WGII

SR1.5

Definition: Special Report on Global Warming of 1.5°C

Report: SYR

SR1.5

Definition: IPCC Special Report on Global Warming of 1.5ºC

Report: WGIII

SR15

Definition: IPCC Special Report on Global Warming of 1.5°C

Report: SRCCL, SROCC

SRA

Definition: Social Responsibility Agreements

Report: WGII

SRCCL

Definition: IPCC Special Report on Climate Change and Land

Report: SR1.5, SRCCL, SROCC, WGI, WGIII

SRCCL

Definition: Special Report on Climate Change and Land

Report: SYR, WGII

SRES

Definition: IPCC Special Report on Emissions Scenarios

Report: SR1.5, SROCC, WGI

SRES

Definition: IPCC Special Report on Emission Scenarios

Report: SRCCL

SRES

Definition: Special Report on Emissions Scenarios

Report: WGII

SREX

Definition: IPCC Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation

Report: SR1.5, SRCCL, SROCC

SREX

Definition: IPCC Special Report on Managing the Risk of Extreme Events and Disasters to Advance Climate Change Adaptation

Report: WGI

SRI

Definition: Standardized Runoff Index

Report: WGI

SRI

Definition: Sustainable and Responsible Investment

Report: WGIII

SRM

Definition: Solar Radiation Modification

Report: SR1.5, SROCC, SYR, WGII

SRM

Definition: solar radiation modification

Report: WGI, WGIII

SROCC

Definition: IPCC Special Report on the Ocean and Cryosphere in a Changing Climate

Report: SR1.5, SROCC, WGI, WGIII

SROCC

Definition: IPCC Special Report on the Ocean Cryosphere and Climate Change

Report: SRCCL

SROCC

Definition: Special Report on the Ocean and Cryosphere in a Changing Climate

Report: SYR, WGII

SRTM

Definition: Shuttle Radar Topography Mission

Report: SROCC, WGII

SSA

Definition: Southeastern South America

Report: SR1.5

SSA

Definition: Southern South America

Report: WGI

SSA

Definition: South and Sub-Saharan Africa

Report: WGII

SSC

Definition: South-South cooperation

Report: WGIII

SSP

Definition: Shared Socio-economic Pathways

Report: SRCCL, WGI

SSP

Definition: Shared Socioeconomic Pathway

Report: SYR

SSP

Definition: Shared Socioeconomic Pathways

Report: WGII

SSP

Definition: Shared Socio-economic Pathway

Report: WGIII

SSPs

Definition: Shared Socioeconomic Pathways

Report: SR1.5, SROCC

SSR

Definition: Seasonal Severity Rating

Report: WGII

SSSA

Definition: Soil Science Society of America

Report: SRCCL

SST

Definition: Sea Surface Temperature

Report: SR1.5, SRCCL, SROCC, WGII

SST

Definition: sea surface temperature

Report: WGI

SSTT

Definition: South–South technology transfer and cooperation

Report: WGIII

SSW

Definition: sudden stratospheric warming

Report: WGI

STE

Definition: stratosphere–troposphere exchange

Report: WGI

STEM

Definition: science, technology, engineering and mathematics

Report: WGIII

STEPS

Definition: Stated Policies Scenario

Report: WGIII

STFM

Definition: Sustainable Tropical Forest Management

Report: WGII

STI

Definition: Science, Technology and Innovation

Report: WGII

STP

Definition: Southern Tropical Pacific

Report: SR1.5

SUDS

Definition: Sustainable Urban Drainage Systems

Report: WGII

SUV

Definition: sport utility vehicle

Report: WGIII

SW

Definition: shortwave

Report: WGI

SW

Definition: Southwest

Report: WGII

SWAT

Definition: Soil & Water Assessment Tool

Report: SR1.5

SWAT

Definition: Soil and Water Assessment Tool

Report: SRCCL

SWC

Definition: Soil and Water Conservation

Report: SRCCL

SWE

Definition: Snow Water Equivalent

Report: SROCC, WGII

SWE

Definition: snow water equivalent

Report: WGI

SWF

Definition: Social Welfare Function

Report: SR1.5

SWM

Definition: Sustainable Water Management

Report: WGII

SWP

Definition: Soil Water Potential

Report: WGII

SWS

Definition: South-Western South America

Report: WGI

SWV

Definition: stratospheric water vapour

Report: WGI

SYR

Definition: IPCC Synthesis Report

Report: SR1.5, SRCCL

SYR

Definition: Synthesis Report

Report: SYR

ScenarioMIP

Definition: Scenario Model Intercomparison Project

Report: WGI

scPDSI

Definition: Self-Calibrating Palmer Drought Severity Index

Report: WGII

T

T

Definition: Temperature or Transient

Report: SR1.5

T&D

Definition: Transmission and Distribution

Report: SR1.5

T-FACE

Definition: Temperature Free-Air Controlled Enhancement

Report: WGII

TA

Definition: territorial accounting

Report: WGIII

TABS

Definition: thermally activated building systems

Report: WGIII

TAR

Definition: IPCC Third Assessment Report

Report: WGI

TAR

Definition: Third Assessment Report

Report: WGII

TAV

Definition: Tropical Atlantic Variability

Report: WGI, WGII

TBT Agreement

Definition: WTO Agreement on Technical Barriers to Trade

Report: WGIII

TC

Definition: Tropical Cyclone

Report: SROCC, WGII

TC

Definition: tropical cyclone

Report: WGI

TCBA

Definition: technology-adjusted consumption-based emission accounting

Report: WGIII

TCFD

Definition: Task Force on Climate-Related Financial Disclosures

Report: WGII

TCFD

Definition: Task Force on Climate-related Financial Disclosures

Report: WGIII

TCR

Definition: Transient Climate Response

Report: SR1.5, SRCCL

TCR

Definition: transient climate response

Report: WGI

TCRE

Definition: Transient Climate Response to cumulative CO2 Emissions

Report: SR1.5

TCRE

Definition: transient climate response to cumulative CO2 emissions

Report: WGI

TCRE

Definition: transient climate response to cumulative emissions of carbon dioxide

Report: WGIII

TCWV

Definition: total column water vapour

Report: WGI

TCs

Definition: Tropical Cyclones

Report: WGII

TDR

Definition: travel demand reduction

Report: WGIII

TEAP

Definition: Technology and Economic Assessment Panel

Report: SR1.5

TEC

Definition: Technology Executive Committee

Report: WGIII

TEEB

Definition: The Economics of Ecosystems and Biodiversity

Report: SRCCL, WGIII

TEG CRM

Definition: Technical Expert Group on Comprehensive Risk Management

Report: WGII

TES

Definition: Transforming Energy Scenario

Report: WGIII

TEU

Definition: Twenty-Foot Container Equivalent Units

Report: WGII

TEUS

Definition: European Temperate Seas

Report: WGII

TFC

Definition: total final energy consumption

Report: WGIII

TFE

Definition: Thematic Focus Element

Report: SR1.5

TFP

Definition: Total Factor Productivity

Report: SR1.5, WGII

TGC

Definition: tradeable green certificate

Report: WGIII

TGCs

Definition: Tradable Green Certificates

Report: WGIII

THC

Definition: Thermohaline Circulation

Report: SROCC

THI

Definition: Temperature Humidity Index

Report: WGII

TIA

Definition: Tourism Industry Aotearoa

Report: WGII

TIB

Definition: Tibetan Plateau

Report: SR1.5, WGI, WGII

TIS

Definition: technological innovation system

Report: WGIII

TK

Definition: Traditional Knowledge

Report: WGII

TLAS

Definition: Timber Legality Assurance System

Report: WGII

TMNs

Definition: Transnational Municipal Networks

Report: WGII

TMSP

Definition: Transboundary Marine Spatial Planning

Report: WGII

TN

Definition: Tropical Nights

Report: WGII

TNA

Definition: technology needs assessment

Report: WGIII

TNn

Definition: Coldest night-time temperature of the year

Report: SR1.5

TNn

Definition: annual minimum daily minimum temperature

Report: WGI

TNx

Definition: annual maximum daily minimum temperature

Report: WGI

TOA

Definition: the net top-of-the-atmosphere

Report: WGI

TOD

Definition: Transit Oriented Development

Report: SR1.5

TOD

Definition: transit-oriented development

Report: WGIII

TPES

Definition: total primary energy supply

Report: WGIII

TPI

Definition: tripole Index

Report: WGI

TRA

Definition: technology readiness assessment

Report: WGIII

TRIPS Agreement

Definition: Trade-Related Aspects of Intellectual Property Rights Agreement

Report: WGIII

TRL

Definition: technology readiness level

Report: WGIII

TRMM

Definition: Tropical Rainfall Measuring Mission

Report: WGI

TS

Definition: Technical Summary

Report: SR1.5, SRCCL, SYR, WGI

TSI

Definition: total solar irradiance

Report: WGI

TSR

Definition: Transpolar Sea Route

Report: WGII

TSRA

Definition: Torres Strait Regional Authority

Report: WGII

TSS

Definition: Time Series Segmentation

Report: SRCCL

TSU

Definition: Technical Support Unit

Report: WGII

TTs

Definition: Transition Towns

Report: SR1.5

TURFs

Definition: Territorial Use Rights for Fishing

Report: WGII

TW

Definition: terawatt

Report: WGIII

TWS

Definition: Terrestrial Water Storage

Report: WGII

TWS-DSI

Definition: Terrestrial Water Storage-Drought Severity Index

Report: WGII

TWWHA

Definition: Tasmanian Wilderness World Heritage Area

Report: WGII

TXx

Definition: Hottest daytime temperature of the year

Report: SR1.5

Tg

Definition: Teragrams

Report: SR1.5, SRCCL

Tg

Definition: teragrams

Report: WGI

ThSL

Definition: thermosteric sea level

Report: WGI

ToE

Definition: Time of Emergence

Report: SROCC

ToE

Definition: time of emergence

Report: WGI

TrC

Definition: triangular cooperation

Report: WGIII

Tt

Definition: Teratonnes

Report: SR1.5

t

Definition: Tonnes

Report: SR1.5, SRCCL

tCO2-FFI

Definition: Tonne of carbon dioxide from Fossil Fuel combustion and Industrial processes

Report: SYR

tCO2-eq

Definition: Tonne of carbon dioxide equivalent

Report: SYR

tDM

Definition: Tonnes Dry Matter

Report: SR1.5

tkm

Definition: tonne-kilometre

Report: WGIII

tril$

Definition: Trillion dollars

Report: SR1.5

U

UA

Definition: Urban Agriculture

Report: WGII

UAH

Definition: University of Alabama in Huntsville

Report: WGI

UCCRN

Definition: Urban Climate Change Research Network

Report: SR1.5

UCDP

Definition: Uppsala Conflict Data Program

Report: WGII

UCLG

Definition: United Cities and Local Governments

Report: WGII

UF

Definition: utility factor

Report: WGIII

UGI

Definition: Urban Green Infrastructure

Report: SRCCL

UHC

Definition: Universal Health Coverage

Report: WGII

UHI

Definition: Urban Heat Islands

Report: SR1.5

UHI

Definition: Urban Heat Island

Report: SRCCL, WGII

UHI

Definition: urban heat island

Report: WGI, WGIII

UITP

Definition: Union Internationale des Transports Publics (International Association of Public Transport)

Report: SR1.5

UKCCC

Definition: United Kingdom Climate Change Committee

Report: WGIII

UKCP

Definition: United Kingdom Climate Projections

Report: SR1.5

ULCS

Definition: ultra-low carbon steel

Report: WGIII

UN

Definition: United Nations

Report: SR1.5, WGI, WGII

UN DESA

Definition: United Nations Department of Economic and Social Affairs

Report: SR1.5

UN-EMG

Definition: UN Environment Management Group

Report: SRCCL

UN-OHRLLS

Definition: Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States

Report: SR1.5

UN-REDD

Definition: United Nations Collaborative Programme on Reducing Emissions from Deforestation and Forest Degradation in Developing Countries

Report: SRCCL

UNCBD

Definition: United Nations Convention on Biological Diversity

Report: SR1.5

UNCBD

Definition: United Nations Convention on Biodiversity

Report: SRCCL

UNCCD

Definition: United Nations Convention to Combat Desertification

Report: SRCCL, WGII, WGIII

UNCED

Definition: United Nations Conference on Environment and Development

Report: SRCCL

UNCLOS

Definition: United Nations Convention on the Law of the Sea

Report: SROCC

UNCRD

Definition: United Nations Centre for Regional Development

Report: WGIII

UNCTAD

Definition: United Nations Conference on Trade and Development

Report: SRCCL

UNDP

Definition: United Nations Development Programme

Report: SR1.5, SRCCL, WGII, WGIII

UNEP

Definition: UN Environment

Report: SR1.5

UNEP

Definition: United Nations Environment Programme

Report: SRCCL, SROCC, WGI, WGII, WGIII

UNEP-GEF

Definition: UN Environment Global Environment Facility

Report: SRCCL

UNEP-WCMC

Definition: UNEP World Conservation Monitoring Centre

Report: SR1.5

UNESCO

Definition: United Nations Educational, Scientific and Cultural Organization

Report: SR1.5, WGII

UNFCCC

Definition: United Nations Framework Convention on Climate Change

Report: SR1.5, SRCCL, SROCC, WGI, WGII, WGIII

UNFCCC

Definition: United Framework Convention on Climate Change

Report: SYR

UNGA

Definition: United Nations General Assembly

Report: SR1.5

UNHCR

Definition: United Nations High Commissioner for Refugee

Report: WGII

UNICEF

Definition: United Nations International Children's Emergency Fund

Report: SR1.5

UNICEF

Definition: United Nations Children's Fund

Report: SRCCL, WGII

UNISDR

Definition: United Nations Office for Disaster Risk Reduction

Report: SR1.5

UNISDR

Definition: UN Sendai Framework for Disaster Risk Reduction

Report: SRCCL

UNOSSC

Definition: United Nations Office for South-South Cooperation

Report: WGIII

UNRISD

Definition: United Nations Research Institute for Social Development

Report: SR1.5

UNSCEAR

Definition: United Nations Scientific Committee on the Effects of Atomic Radiation

Report: SR1.5

UNU

Definition: United Nations University

Report: SR1.5

UNU-EHS

Definition: United Nations University – Institute for Environment and Human Security

Report: SR1.5

UPA

Definition: Urban and Peri-Urban Agriculture

Report: WGII

UPAF

Definition: Urban and Peri-urban Agriculture and Forestry

Report: SRCCL

UQ

Definition: Uncertainty Quantification

Report: SROCC

US DOE

Definition: United States Department of Energy

Report: WGIII

US EPA

Definition: United States Environmental Protection Agency

Report: WGIII

USAID

Definition: United States Agency for International Development

Report: SRCCL, WGII

USD

Definition: United States Dollars

Report: SR1.5, SRCCL, WGII

USD

Definition: United States Dollar

Report: SYR

USD

Definition: US dollar

Report: WGIII

USDA

Definition: United States Department of Agriculture

Report: SRCCL

USEPA

Definition: United States Environmental Protection Agency

Report: SRCCL

USGS

Definition: United States Geological Survey

Report: WGII

UTFI

Definition: Underground Taming of Floods for Irrigation

Report: SRCCL

UTLS

Definition: upper troposphere and lower stratosphere

Report: WGI

UV

Definition: Ultraviolet

Report: SR1.5, SRCCL

UV

Definition: ultraviolet

Report: WGI, WGIII

UVic ESCM

Definition: University of Victoria Earth System Climate Model

Report: WGI

V

V

Definition: Vulnerability

Report: WGII

V1G

Definition: controlled charging (of an electric vehicle)

Report: WGIII

V2G

Definition: vehicle-to-grid

Report: WGIII

VBD

Definition: Vector-Borne Disease

Report: WGII

VC

Definition: venture capital

Report: WGIII

VCS

Definition: Verified Carbon Standard of the Verra programme

Report: WGIII

VF

Definition: Vertical Farming

Report: WGII

VGGT

Definition: Voluntary Guidelines on the Responsible Governance of Tenure of Land, Fisheries and Forests in the Context of National Food Security

Report: SRCCL

VISIT

Definition: Vegetation Integrative Simulator for Trace Gases

Report: SR1.5

VKT

Definition: Vehicle Kilometres of Travel

Report: SR1.5

VKT

Definition: vehicle kilometres travelled

Report: WGIII

VLM

Definition: Vertical Land Motion

Report: SROCC

VLM

Definition: vertical land motion

Report: WGI

VLR

Definition: Voluntary Local Review

Report: WGIII

VMT

Definition: vehicle miles travelled

Report: WGIII

VNR

Definition: Voluntary National Review

Report: WGIII

VOC

Definition: Volatile Organic Compound

Report: SRCCL, WGII

VOC

Definition: volatile organic compounds

Report: WGI

VOCs

Definition: Volatile Organic Compounds

Report: SR1.5

VOD

Definition: Vegetation Optical Depth

Report: SRCCL, WGII

VPA

Definition: Voluntary Partnership Agreements

Report: WGII

VPD

Definition: vapour pressure deficit

Report: WGI

VPD

Definition: Vapour Pressure Deficit

Report: WGII

VRES

Definition: Variable Renewable Energies

Report: WGII

VSLS

Definition: very short-lived halogenated species

Report: WGI

VaR

Definition: Value at Risk

Report: WGII

VoCC

Definition: Velocity of Climate Change

Report: WGII

vkm

Definition: vehicle-kilometre

Report: WGIII

W

W

Definition: Watts

Report: SR1.5, SRCCL

W

Definition: Western

Report: WGII

WAF

Definition: West Africa

Report: SR1.5, SRCCL

WAF

Definition: Western Africa

Report: WGI

WAIS

Definition: West Antarctic Ice Sheet

Report: SR1.5, SROCC, WGI, WGII

WAN

Definition: West Antarctica

Report: WGI

WAS

Definition: West Asia

Report: SR1.5

WASCAL

Definition: West African Science Service Centre on Climate Change and Adaptive Land Management

Report: WGII

WASH

Definition: Water, Sanitation and Hygiene

Report: WGII

WAfriM

Definition: West African monsoon

Report: WGI

WBA

Definition: World Bioenergy Association

Report: SRCCL

WBC

Definition: Western Boundary Current

Report: SROCC

WBC

Definition: western boundary current

Report: WGI

WBCSD

Definition: World Business Council for Sustainable Development

Report: SR1.5, SRCCL

WBCSD

Definition: World Business Council on Sustainable Development

Report: WGIII

WBD

Definition: Waterborne Disease

Report: WGII

WBGT

Definition: wet bulb globe temperature

Report: WGI

WBGU

Definition: Wissenschaftlicher Beirat der Bundesregierung Globale Umweltveränderungen (German Advisory Council on Global Change)

Report: SR1.5

WBM

Definition: Water Balance Model

Report: SR1.5

WC

Definition: Walker circulation

Report: WGI

WCA

Definition: West Central Asia

Report: WGI, WGII

WCE

Definition: Western and Central Europe

Report: WGI

WCE

Definition: Western Central Europe

Report: WGII

WCED

Definition: World Commission on Environment and Development

Report: SR1.5

WCRP

Definition: World Climate Research Programme

Report: SR1.5, WGI, WGII

WEC

Definition: World Energy Council

Report: SR1.5, SRCCL

WEF

Definition: Water-Energy-Food or World Economic Forum

Report: SR1.5

WEF

Definition: World Economic Forum

Report: SRCCL

WEF

Definition: Water–Energy–Food / World Economic Forum

Report: WGII

WEFN

Definition: water-energy-food nexus

Report: WGIII

WEM

Definition: World Energy Model

Report: SR1.5

WEMA

Definition: Water Efficient Maize for Africa

Report: WGII

WEO

Definition: World Energy Outlook

Report: SR1.5, SRCCL, WGIII

WEPP

Definition: Water Erosion Prediction Project

Report: SRCCL

WET

Definition: Wetland Extent Trends

Report: SRCCL

WEU

Definition: Western Europe

Report: WGII

WFP

Definition: World Food Programme

Report: SR1.5, SRCCL, WGIII

WG

Definition: Working Group

Report: SYR, WGIII

WG

Definition: IPCC Working Group

Report: WGI

WGI

Definition: IPCC Working Group I

Report: SR1.5, SRCCL, SROCC, SYR

WGI

Definition: Working Group I

Report: WGII

WGII

Definition: IPCC Working Group II

Report: SR1.5, SRCCL, SROCC, SYR

WGII

Definition: Working Group II

Report: WGII

WGIII

Definition: IPCC Working Group III

Report: SR1.5, SRCCL, SYR

WGIII

Definition: Working Group III

Report: WGII

WGMS

Definition: World Glacial Monitoring Service

Report: SROCC

WGWDGD

Definition: Wet Get Wetter, Dry Get Drier

Report: WGII

WHO

Definition: World Health Organization

Report: SR1.5, SYR, WGI, WGII, WGIII

WHO

Definition: World Health Organisation

Report: SRCCL

WHP

Definition: waste heat to power

Report: WGIII

WIM

Definition: Warsaw International Mechanism for Loss and Damage

Report: SR1.5

WIM

Definition: Warsaw International Mechanism on Loss and Damage under UNFCCC

Report: SYR

WIM

Definition: Warsaw International Mechanism

Report: WGII

WIO

Definition: West Indian Ocean

Report: SR1.5

WITCH

Definition: World Induced Technical Change Hybrid Model

Report: SR1.5

WMGHG

Definition: well-mixed greenhouse gas

Report: WGI

WMGHGs

Definition: Well-Mixed Greenhouse Gases

Report: SR1.5

WMO

Definition: World Meteorological Organization

Report: SR1.5, WGI, WGII

WMO

Definition: World Meteorological Organisation

Report: SRCCL, WGIII

WNA

Definition: West North America

Report: SR1.5

WNA

Definition: Western North America

Report: WGI

WNF

Definition: West Nile Fever

Report: WGII

WNP

Definition: Western North Pacific

Report: WGI

WOA18

Definition: World Ocean Atlas 2018

Report: WGI

WOCAT

Definition: World Overview of Conservation Approaches and Technologies

Report: SRCCL

WRAP

Definition: Waste and Resources Action Programme

Report: WGIII

WRF

Definition: Weather Research and Forecasting

Report: SR1.5

WRI

Definition: World Resources Institute

Report: SRCCL

WSA

Definition: West Coast South America

Report: SR1.5

WSAA

Definition: Water Services Association of Australia

Report: WGII

WSAF

Definition: West Southern Africa

Report: WGI, WGII

WSB

Definition: Wilkes Subglacial Basin

Report: WGI

WSDI

Definition: Warm Spell Duration Index

Report: SR1.5

WSI

Definition: Water Scarcity Index

Report: WGII

WSOA

Definition: Water Soluble Organic Compounds

Report: SRCCL

WSUD

Definition: Water Sensitive Urban Design

Report: WGII, WGIII

WTO

Definition: World Trade Organization

Report: SR1.5, WGIII

WTO

Definition: World Trade Organisation

Report: SRCCL

WTP

Definition: willingness to pay

Report: WGIII

WTTC

Definition: World Travel & Tourism Council

Report: WGII

WTU

Definition: Water Treatment Unit

Report: WGII

WUE

Definition: Water Use Efficiency

Report: SRCCL

WUE

Definition: water-use efficiency

Report: WGI

WUE

Definition: Water-Use Efficiency

Report: WGII

WUI

Definition: Wildland–Urban Interface

Report: WGII

WWF

Definition: World Wildlife Fund

Report: WGII

WaTEM/SEDEM

Definition: Spatially distributed sediment delivery model combining the WaTEM and SEDEM models

Report: SRCCL

Wm-2

Definition: Watts per square meter

Report: SYR

w.r.t.

Definition: With respect to

Report: SR1.5

w/

Definition: With

Report: SR1.5, SRCCL

w/o

Definition: Without

Report: SR1.5, SRCCL

Y

YCS

Definition: Yield Constraint Score

Report: WGII

YJ

Definition: yottajoule, 10^24 joules

Report: WGI

YLD

Definition: Years of Life Lived with Disability

Report: WGII

YLL

Definition: Years of Life Lost

Report: WGII

yr

Definition: Year

Report: SR1.5, SRCCL

Z

ZEC

Definition: Zero Emissions Commitment

Report: SR1.5

ZEC

Definition: zero emissions commitment

Report: WGI

ZEV

Definition: zero emission vehicle

Report: WGIII

ZJ

Definition: zettajoule, 10^21 joules

Report: WGI

ZNLD

Definition: Zero Net Land Degradation

Report: SRCCL

Ç

ÇEMGM

Definition: Conservation Reserve Program

Report: SRCCL

Μ

μatm

Definition: Microatmospheres

Report: SR1.5