Editing IPCC:AR6/WGI/Chapter-6 (section)

==== 6.6.2.1 Agriculture ====

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According to the SRCCL assessment ( [[#Jia--2019|Jia et al., 2019]] ), agriculture, forestry and other land use (AFOLU) are a significant net source of GHG emissions ( ''high confidence'' ), with more than half of these emissions attributed to non-CO <sub>2</sub> gHGs from agriculture. With respect to SLCFs, agricultural activities are major global sources of methane and NH <sub>3</sub> (Section 6.2.1). The agriculture sector exerts strong near-term warming due to large methane emissions that is slightly offset by a small cooling from secondary inorganic aerosols formed notably from the NH <sub>3</sub> emissions ( [[#Heald--2016|Heald and Geddes, 2016]] ; [[#Lund--2020|Lund et al., 2020]] ). For present-day emissions, agriculture is the second largest contributor to warming on short time scales but with a small persisting effect on surface temperature (+0.0012°C ± 0.00028°C) after a pulse of current emissions (Figure 6.16, see detailed description in Section 6.6.2.3.4; [[#Lund--2020|Lund et al., 2020]] ). Aerosols produced from agricultural emissions, released after nitrogen fertilizer application and from animal husbandry, influence surface air quality and make an important contribution to surface PM <sub>2.5</sub> in many densely populated areas ( Figure 6.17; [[#Lelieveld--2015b|Lelieveld et al., 2015b]] ; [[#Bauer--2016|Bauer et al., 2016]] ).

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