Federal jurisdiction / No. 25-170
Suncor Energy v. Boulder County
Can Boulder pursue oil companies for climate costs?
Boulder is suing Suncor and ExxonMobil for a share of its climate-related costs. The companies want the claims blocked, arguing that federal law leaves no room for this kind of state-law lawsuit.
Closes 5 Oct 2026, 11:00 AEDT (Sydney)