On May 21, 2026, WLF urged the U.S. Supreme Court to reverse a Colorado Supreme Court order allowing Boulder, Colorado to bring a state-law tort case under the theory that the fossil-fuel industry itself is illegal. As WLF’s brief explains, the Court needs to reject this effort (which can’t be squared with the Constitution’s Commerce and Supremacy Clauses) now—before pernicious copycat litigation destroys the energy industry that’s so vital to American prosperity.