Publication
July 01, 2022

On the final day of its 2022 term, the Supreme Court issued its highly-anticipated opinion in the case of West Virginia v. EPA, 579 U.S. __ (2022), addressing EPA’s authority to regulate greenhouse gases (GHGs) under the Clean Air Act (CAA), but having much broader implications for the authority of all administrative agencies. The opinion signals a significant shift in the standards used to review administrative actions. Chief Justice Roberts wrote the opinion for the Court, joined by Justices Thomas, Alito, Gorsuch, Kavanaugh and Barrett. Justice Gorsuch filed a concurring opinion, in which Justice Alito joined, and Justice Kagan filed a dissenting opinion, in which Justices Breyer and Sotomayor joined.

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