EPA case resources

Supporting and opposing briefs filed in four key cases are below. Downloads are 1 MB or smaller unless otherwise noted.

Reply Briefs in Support of Petitions for Certiorari

Opposition to Petitions for Certiorari

Four briefs in opposition to petitions for certiorari were filed by:

Petitions for Certiorari at the Supreme Court

Cert petitions have been filed challenge the D.C. Circuit’s unanimous decision in CRR v. EPA by:


D.C. Circuit Court of Appeals Decisions


EPA’s finding that greenhouse gas pollution endangers public health

No. 09-1322 and consolidated cases

Briefs supporting
Briefs opposing

Clean car standards

No. 10-1092 and consolidated cases

Briefs supporting
Briefs opposing

Requirements to deploy modern pollution controls for large emitters

No. 10-1167 and consolidated cases

Briefs supporting
Briefs opposing

Excluding small emitters from GHG regulations

No. 10-1073 and consolidated cases

Briefs supporting
Briefs opposing