Enteric fermentation accounted for ** percent of methane emissions in the United States in 2022, making it the largest source of this potent greenhouse gas. Natural gas and petroleum systems followed, with shares of ** and six percent, respectively. U.S. methane emissions (incl. LULUCF) have decreased by roughly ** percent since 1990.
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Environmental Protection Agency. (April 11, 2024). Distribution of methane (CH4) emissions in the United States in 2022, by source [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/549620/methane-emissions-share-in-the-us-by-sector/
Environmental Protection Agency. "Distribution of methane (CH4) emissions in the United States in 2022, by source." Chart. April 11, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/549620/methane-emissions-share-in-the-us-by-sector/
Environmental Protection Agency. (2024). Distribution of methane (CH4) emissions in the United States in 2022, by source. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/549620/methane-emissions-share-in-the-us-by-sector/
Environmental Protection Agency. "Distribution of Methane (Ch4) Emissions in The United States in 2022, by Source." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Apr 2024, /statistics/549620/methane-emissions-share-in-the-us-by-sector/
Environmental Protection Agency, Distribution of methane (CH4) emissions in the United States in 2022, by source ÌÇÐÄÆƽâ°æ, /statistics/549620/methane-emissions-share-in-the-us-by-sector/ (last visited July 23, 2026)
Distribution of methane (CH4) emissions in the United States in 2022, by source [Graph], Environmental Protection Agency, April 11, 2024. [Online]. Available: /statistics/549620/methane-emissions-share-in-the-us-by-sector/
