Environmental Protection Agency v. Brown

These cases arise under the Clean Air Act, as amended by the Clean Air Amendments of 1970, 84 Stat. 1676, 42 U. S. C. § 1857 et seg., and raise questions concerning the authority of the Administrator of the Environmental Protection Agency to compel various types of implementation and enforcement actions by the States. Four separate decisions in the Courts of Appeals reviewed transportation control plans promulgated by the Administrator for several States which had previously failed to submit adequate plans of their own. Four petitions have been filed seeking review of those decisions which,…