Supreme Court Limits EPA Climate Authority in West Virginia v. EPA

The Supreme Court ruled 6-3 in West Virginia v. EPA that the agency lacked authority under the Clean Air Act to force generation shifting from coal to cleaner sources at the grid level. Chief Justice John Roberts'' majority opinion formalized the major questions doctrine, requiring clear congressional authorization for any agency action of vast economic or political significance. Justice Elena Kagan dissented for Breyer and Sotomayor, calling the Court'self-appointed the decision-maker on climate policy.