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Massachusetts v. EPA

Docket No.: 05-1120
Certiorari Granted: Jun 26 2006
Argued: November 29, 2006
Decided: April 2, 2007

Topics:

Article I, Clean Air Act, EPA, equitable relief, judicial review, patent

PartyNames: Massachusetts, et al. v. Environmental Protection Agency, et al.
Petitioner: Massachusetts
Respondent: EPA

Court Below: United States Court of Appeals for the District of Columbia Circuit

Massachusetts
v.
EPA
549 U.S. 497 (2007)
Background:

Section 202(a)(1) of the Clean Air Act, 42 U.S.C. ยง 7521(a)(1), requires the administrator of the Environmental Protection Agency ("EPA ") to set emission standards for "any air pollutant" from motor vehicles or motor vehicle engines "which in his judgment cause[s], or contribute[s] to, air pollution which may reasonably be anticipated to endanger public health or welfare."

Question Presented:

1. Whether the EPA Administrator may decline to issue emission standards for motor vehicles based on policy considerations not enumerated in section 202(a)(1). 2. Whether the EPA Administrator has authority to regulate carbon dioxide and other air pollutants associated with climate change under section 202(a)(1).

Massachusetts v. EPA
ORAL ARGUMENT

Nov 29 2006

Massachusetts v. EPA Oral Argument Transcript (PDF)
Holding: judgment reversed and remanded
Vote: 5-4
Opinion By:
Read MASSACHUSETTS V. EPA opinion (PDF)

Read opinion

Other Resources for Massachusetts v. EPA:
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justia.com
wikipedia.org