The United States had the highest emissions from passenger and freight flights worldwide in 2024, with an estimated *** million metric tons of carbon dioxide (COâ‚‚). U.S. total flight emissions were more than * those produced in China that year. The U.S. airport with the largest carbon footprint is Los Angeles International Airport (LAX).Â
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OECD. (March 18, 2025). Total flight emissions from passenger and freight flights worldwide in 2024, by leading country (in million metric tons of carbon dioxide) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1453328/co2-emissions-from-aviation-by-country/
OECD. "Total flight emissions from passenger and freight flights worldwide in 2024, by leading country (in million metric tons of carbon dioxide)." Chart. March 18, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1453328/co2-emissions-from-aviation-by-country/
OECD. (2025). Total flight emissions from passenger and freight flights worldwide in 2024, by leading country (in million metric tons of carbon dioxide). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1453328/co2-emissions-from-aviation-by-country/
OECD. "Total Flight Emissions from Passenger and Freight Flights Worldwide in 2024, by Leading Country (in Million Metric Tons of Carbon Dioxide)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Mar 2025, /statistics/1453328/co2-emissions-from-aviation-by-country/
OECD, Total flight emissions from passenger and freight flights worldwide in 2024, by leading country (in million metric tons of carbon dioxide) ÌÇÐÄÆƽâ°æ, /statistics/1453328/co2-emissions-from-aviation-by-country/ (last visited July 26, 2026)
Total flight emissions from passenger and freight flights worldwide in 2024, by leading country (in million metric tons of carbon dioxide) [Graph], OECD, March 18, 2025. [Online]. Available: /statistics/1453328/co2-emissions-from-aviation-by-country/
