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
groups)

Joint Appendix

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

Calpine Corp.

Climate scientists

Entergy Corp.

Former EPA Administrators (Browner, Costle, Reilly, and Train)

Madeline Albright

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

Climatologists

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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