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.
Supreme Court Narrows EPA’s Ability to Regulate Carbon Dioxide Emissions
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Chief Justice John Roberts at the Supreme Court Building in Washington on Nov. 30, 2018. J. Scott Applewhite/AP Photo

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