Repeal of Endangerment Finding
The Overlooked Precedent Supporting EPA Regulation of Greenhouse Gases
Even Roberts and Scalia agreed that Mass. v. EPA is the law
An important precedent has been overlooked in the coverage of the Trump EPA’s repeal of the 2009 Endangerment Finding. The 2009 finding relied was based on , in which the Court had held that the Clean Air Act covers air pollution and directed EPA to determine whether greenhouse gases are harmful. One reason to worry about the litigation is that the conservatives Justices all dissented from Massachusetts v. EPA over the repeal. But there’s another equally important precedent: American Electric Power v. Connecticut (AEP). That ruling was joined by Chief Justice Roberts and Justice Scalia, so it may carry more weight.
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