Massachusetts v. Environmental Protection Agency, 549 U.S. 497 (2007), is a U.S. Supreme Court case decided 5-4 in which twelve states and several cities of the United States brought suit against the Environmental Protection Agency (EPA) to force that federal agency to regulate carbon dioxide and other greenhouse gases (GHGs) as pollutants.
Массачусетс против агентства по охране окружающей среды, 549 U.S. 497 (2007) — дело Верховного суда США, касавшееся регулирования содержания углекислого газа в атмосферном воздухе.