Supreme Court Narrows EPA’s Ability to Regulate Carbon Dioxide Emissions

Supreme Court Narrows EPA’s Ability to Regulate Carbon Dioxide Emissions
Chief Justice John Roberts at the Supreme Court Building in Washington on Nov. 30, 2018. J. Scott Applewhite/AP Photo
Matthew Vadum
Updated:
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The Supreme Court ruled 6–3 on June 30 that the Clean Air Act doesn’t give the U.S. Environmental Protection Agency (EPA) widespread power to regulate carbon dioxide emissions that a popular theory says contribute to global warming.

Chief Justice John Roberts wrote the court’s majority opinion (pdf) in West Virginia v. EPA, court file 20-1530. Roberts was joined by the court’s other five conservatives. The court’s three liberal justices dissented.