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Massachusetts v. Environmental Protection Agency
Supreme Court of the United States· United States (federal)· 2007 18 min read
549 U.S. 497
Environmental issue: Regulation of greenhouse gas emissions as air pollutants under the Clean Air Act
Original judgment link pending Comparative Studies
Summary
The Supreme Court held that greenhouse gases are 'air pollutants' under the Clean Air Act and that EPA has a statutory duty to regulate them if they endanger public health or welfare, also recognising state standing to challenge EPA's inaction based on quasi-sovereign interests.
Detailed Analysis
Original Case Analysis
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This case analysis provides educational information, not legal advice. Subsequent developments may affect the current legal position. Consult a qualified lawyer in the relevant jurisdiction for any legal matter.