In a flight of judicial activism historically decried by conservatives, the Supreme Court's conservative majority reached out on the last day of its 2021 term to decide a rule that was not before it, sidestepped the reasoning of the court below, and "stripped the [Environmental Protection Agency] of the power Congress gave it to respond to 'the most pressing environmental challenge of our time'" (West Virginia v. EPA, 597 U.S. __ (June 30, 2022) (dissent)).