Last Update: 09/25/2026 at 4:33 PM EST
Supreme Court to Hear Suncor Climate…Supreme Court to Hear Suncor Climate Case
Coverage from CU Boulder Today, Balls & Strikes, and others

The Supreme Court is scheduled to hear Suncor v. Boulder on October 5, 2026, to consider whether federal law bars state-law claims seeking damages for climate-related harms. Boulder County and the city of Boulder sued Exxon Mobil and Suncor entities, and the Colorado Supreme Court allowed the claims to proceed without deciding their merits. The case could clarify the reach of federal preemption and whether local governments may pursue climate damages under state law.
First Article: 09/23/26
Latest Article: 09/24/26
The Bigger Picture
Articles in this story are part of a shaping these topics.
Articles6 articles
09-24-2026
CU Boulder Today
On Oct. 5, the U.S. Supreme Court will hear Exxon Mobil and Suncor's challenge to Boulder, Colorado's climate liability lawsuit, considering whether state courts can hear the claims.
09-24-2026
Balls & Strikes
The U.S. Supreme Court will hear Suncor Energy Inc. v. County Commissioners of Boulder County in October in Washington, D.C., considering whether federal law blocks the county's state climate damages claims.
09-23-2026
Fox News / John Yoo
Ahead of the Supreme Court term opening Oct. 5, John Yoo urged the U.S. Supreme Court to resolve whether federal authority precludes Boulder climate liability claims.
09-22-2026
Slate / Dahlia Lithwick
In an undated interview, Earthjustice vice president Sam Sankar discussed the Supreme Court's intervention in Boulder County, Colorado's climate damages lawsuit against Suncor Energy and Exxon.
09-22-2026
SCOTUSblog / Erwin Chemerinsky
The U.S. Supreme Court will hear Suncor Energy, Inc. v. County Commissioners of Boulder County in Washington, D.C., on the first day of its October 2026 Term to consider federal preemption of local climate damages claims.
09-17-2026
Environmental and Energy Law Program
The U.S. Supreme Court will hear Suncor v. Boulder on October 5, 2026, in Washington, D.C., concerning state-law climate damage claims against oil and gas companies.
