Greenhouse gas emissions from ships and boats in the United States were roughly 50 million metric tons of carbon dioxide equivalent (MtCOâ‚‚e) in 2022. Ships and boats were responsible for around three percent of U.S. transportation sector emissions in 2022.
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Environmental Protection Agency. (April 11, 2024). Greenhouse gas emissions from ships and boats in the United States from 1990 to 2022 (in million metric tons of COâ‚‚ equivalent) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 20, 2026, from /statistics/1120541/us-shipping-ghg-emissions/
Environmental Protection Agency. "Greenhouse gas emissions from ships and boats in the United States from 1990 to 2022 (in million metric tons of COâ‚‚ equivalent)." Chart. April 11, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 20, 2026. /statistics/1120541/us-shipping-ghg-emissions/
Environmental Protection Agency. (2024). Greenhouse gas emissions from ships and boats in the United States from 1990 to 2022 (in million metric tons of COâ‚‚ equivalent). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 20, 2026. /statistics/1120541/us-shipping-ghg-emissions/
Environmental Protection Agency. "Greenhouse Gas Emissions from Ships and Boats in The United States from 1990 to 2022 (in Million Metric Tons of Coâ‚‚ Equivalent)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 11 Apr 2024, /statistics/1120541/us-shipping-ghg-emissions/
Environmental Protection Agency, Greenhouse gas emissions from ships and boats in the United States from 1990 to 2022 (in million metric tons of COâ‚‚ equivalent) ÌÇÐÄÆÆ½â°æ, /statistics/1120541/us-shipping-ghg-emissions/ (last visited July 20, 2026)
Greenhouse gas emissions from ships and boats in the United States from 1990 to 2022 (in million metric tons of COâ‚‚ equivalent) [Graph], Environmental Protection Agency, April 11, 2024. [Online]. Available: /statistics/1120541/us-shipping-ghg-emissions/