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Finding That Greenhouse Gas Emissions From Aircraft Cause or Contribute to Air Pollution That May Reasonably Be Anticipated To Endanger Public Health and Welfare (Final)
Aug. 16, 2016
The EPA Administrator finds that elevated concentrations of greenhouse gases in the atmosphere endanger the public health and welfare of current and future generations within the meaning of section 231(a)(2)(A) of the Clean Air Act (CAA, or Act). She makes this finding specifically with respect to the same six well-mixed greenhouse gases--carbon dioxide (CO2), methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride--that together were defined as the air pollution in the 2009 Endangerment Finding under section 202(a) of the CAA and that together constitute the primary cause of the climate change problem. The Administrator also finds that emissions of those six well-mixed greenhouse gases from certain classes of engines used in certain aircraft are contributing to the air pollution--the aggregate group of the same six greenhouse gases--that endangers public health and welfare under CAA section 231(a)(2)(A). These findings are effective on 14 September 2016. POC is Lesley Jantarasami, Office of Atmospheric Programs, Climate Change Division, EPA, 1200 Pennsylvania Ave. NW., Mail Code 6207-A, Washington, DC 20460; Tel: 202-343-9990; Email: ghgendangerment@epa.gov (Federal Register; 15 August 2016 [Rules and Regulations], pages 54421-54475).

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Last Updated: January 22, 2018