Courts & lawClimate lawsuits against oil companies
Justices appear divided over Boulder climate suit against Suncor, Exxon
Boulder sued Suncor and ExxonMobil in Colorado state court in 2018, seeking compensation for costs it attributes to climate change.
Checked today, nothing new since October 26, 2026
The court's clerk notified counsel on September 28, 2026, that Justice Samuel Alito would not participate in the case.
At argument on October 5, 2026, it was not clear whether a majority agreed that federal law bars Boulder's claims.
The story so far
| Aug 4, 2026 | The Supreme Court set the case for argument on October 5, 2026. |
| Sep 28, 2026 | The court notified counsel that Justice Alito would not participate in the case. |
| Oct 5, 2026 | The Supreme Court heard argument, with the United States supporting the energy companies. |