Globally-averaged atmospheric methane increased in abundance by **** parts per billion in 2024, compared to the previous year. The largest annual increase between 1985 and 2024 occurred in 2021, at just under ** ppb. In recent years, global CH4 emissions have surpassed **** billion metric tons of carbon dioxide equivalent. Methane (CH4) is a greenhouse gas with a greater global warming potential than carbon dioxide, but has a shorter residence time in the atmosphere.
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National Oceanic and Atmospheric Administration. (September 5, 2025). Annual increase in globally-averaged atmospheric methane (CH4) from 1985 to 2024 (in parts per billion) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1119233/methane-abundance-worldwide/
National Oceanic and Atmospheric Administration. "Annual increase in globally-averaged atmospheric methane (CH4) from 1985 to 2024 (in parts per billion)." Chart. September 5, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1119233/methane-abundance-worldwide/
National Oceanic and Atmospheric Administration. (2025). Annual increase in globally-averaged atmospheric methane (CH4) from 1985 to 2024 (in parts per billion). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1119233/methane-abundance-worldwide/
National Oceanic and Atmospheric Administration. "Annual Increase in Globally-averaged Atmospheric Methane (Ch4) from 1985 to 2024 (in Parts per Billion)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 5 Sep 2025, /statistics/1119233/methane-abundance-worldwide/
National Oceanic and Atmospheric Administration, Annual increase in globally-averaged atmospheric methane (CH4) from 1985 to 2024 (in parts per billion) ÌÇÐÄÆƽâ°æ, /statistics/1119233/methane-abundance-worldwide/ (last visited July 23, 2026)
Annual increase in globally-averaged atmospheric methane (CH4) from 1985 to 2024 (in parts per billion) [Graph], National Oceanic and Atmospheric Administration, September 5, 2025. [Online]. Available: /statistics/1119233/methane-abundance-worldwide/
