Global methane (CH4) emissions from agriculture were equivalent to 3.6 billion metric tons of carbon dioxide (GtCO₂e) in 2021. Annual CH4 emissions related to agriculture have increased by more than 10 percent since 1990. Enteric fermentation is the biggest source of agriculture methane emissions.
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Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021
(in billion metric tons of CO₂ equivalent)
Non-CO₂ emissions are expressed in CO₂ equivalents using 100-year global warming potential values from the IPCC Fourth Assessment Report.
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ClimateWatch. (November 6, 2024). Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent) [Graph]. In Statista. Retrieved June 14, 2025, from https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/
ClimateWatch. "Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent)." Chart. November 6, 2024. Statista. Accessed June 14, 2025. https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/
ClimateWatch. (2024). Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent). Statista. Statista Inc.. Accessed: June 14, 2025. https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/
ClimateWatch. "Annual Agriculture Methane (Ch4) Emissions Worldwide from 1990 to 2021 (in Billion Metric Tons of Co₂ Equivalent)." Statista, Statista Inc., 6 Nov 2024, https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/
ClimateWatch, Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent) Statista, https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/ (last visited June 14, 2025)
Annual agriculture methane (CH4) emissions worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent) [Graph], ClimateWatch, November 6, 2024. [Online]. Available: https://www.statista.com/statistics/1351579/agriculture-methane-emissions-worldwide/
