Before the Court in Suncor Energy v. Boulder County
The Justices Weigh in on State Climate-Change Lawsuits
At 10:06 a.m. on Oct. 5, 2026, the U.S. Supreme Court heard oral arguments for case number 25-170, Suncor Energy et al. v. Commissioners of Boulder County et al. At 11:53 a.m., arguments were concluded, and the case was submitted for judgment. Following are excerpts from the arguments of Kannon Shanmugam, counsel of record for Suncor Energy et al., and Kevin Russell, counsel of record for Boulder County et al. Questions were presented from eight Supreme Court justices. Justice Samuel Alito recused himself from the case. Argument on Behalf of Suncor Energy et al. MR. SHANMUGAM: This case involves an…
