Briefs Filed in the U.S. Supreme Court in Commonwealth of
Massachusetts v. EPA, No. 05-1120
(on appeal from the U.S. Court of Appeals decision upholding EPA's decision not to commence a rulemaking to
limit greenhouse gas (carbon dioxide, methane, etc.) emissions from motor vehicles)
Briefs of the Parties
Opening Brief of Petitioners (12 states and other governmental entities, plus numerous environmental advocacy
Response brief of EPA
Response brief of CO2 Litigation Group
Response brief of Utility Air Regulatory Group
Response brief of motor vehicle associations
Response brief of state intervenors Michigan, et al.
Reply Brief of Petitioners
Amicus Curiae Briefs Supporting Petitioners
Alaska indigenous peoples
Aspen Skiing Company
Former EPA Administrators (Browner, Costle, Reilly, and Train)
National Council of Churches, et al.
North Coast Rivers Alliance, et al.
Ocean and coastal conservation interests
States of Arizona, Iowa, Maryland, Minnesota, and Wisconsin
State of Delaware
U.S. Conference of Mayors, Nat’l Ass’n of Counties, et al.
Wildlife conservation interests
Amicus Curiae Briefs Supporting EPA
Economists Wm. Baumol et al.
Jerome B. Carr
Law professors Robt. Bork et al.
Pacific Legal Foundation
William Howard Taft IV
Union for Jobs and the Environment
Washington Legal Foundation
Atlantic Legal Foundation for Ernest Damon et al.
The Cato Institute
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