Suncor Energy (U.S.A.) Inc., et al., Petitioners v. County Commissioners of Boulder County, et al.

  1. October 02, 2026

    Meet The Attys Arguing Colo. Climate Tort At The High Court

    U.S. Supreme Court oral arguments over the future of climate change torts against energy companies on Monday will feature a trio of attorneys who have spent plenty of time at the high court's lectern. Here's who will be arguing for or against letting the city and county of Boulder, Colorado's climate lawsuit against ExxonMobil and Suncor Energy proceed in state court.

  2. October 02, 2026

    5 Supreme Court Cases To Watch This Fall

    The U.S. Supreme Court will convene Monday to begin its 2026 October term, which includes several cases that could determine the future of climate change tort litigation, expand religious freedoms and parental rights, and grant states authority to require proof of citizenship when individuals register for presidential elections using state forms. 

  3. September 28, 2026

    Alito Makes Last-Minute Recusal From Colo. Climate Case

    Justice Samuel Alito on Monday recused himself from the city and county of Boulder, Colorado's climate change tort lawsuit against Exxon Mobil Corp. and Suncor Energy, just a week before the case is set to be heard by the U.S. Supreme Court.

  4. August 26, 2026

    Oil Cos. Insist High Court Must End Colo. Climate Suit

    Exxon and Suncor Energy argued Wednesday in their latest brief urging the U.S. Supreme Court to end the city and county of Boulder, Colorado's climate change tort lawsuit against them that allowing the case to proceed would set a precedent that juries can make decisions on energy policy.

  5. August 04, 2026

    Climate Crisis Costs Top $8B In Indian Country, Justices Told

    More than a dozen Indigenous nations, federal Indian law professors and tribal organizations are backing Boulder County, Colorado, in the Supreme Court, telling the justices that climate change has already caused roughly $8 billion in disruptions across Indian Country, yet the federal government provides only $400 million to mitigate them.

  6. July 28, 2026

    Climate Change Suit Must Proceed, Boulder Tells High Court

    The city and county of Boulder, Colorado, have urged the U.S. Supreme Court to let stand a Colorado Supreme Court decision allowing their climate change tort against Exxon Mobil and Suncor Energy to proceed, arguing that the justices shouldn't short-circuit the state court proceedings.

  7. July 08, 2026

    Energy Litigation To Watch In The 2nd Half Of 2026

    The energy litigation landscape for the rest of 2026 features high-profile lawsuits over climate change, including a potential moment of truth for climate tort litigation, as well as challenges to Trump administration efforts to boost fossil fuel development. Here are several energy-related lawsuits on attorneys' radar for the second half of the year.

  8. July 08, 2026

    4 Colorado Cases To Watch For The Rest Of 2026

    A federal judge's ruling on whether the Trump administration can move U.S. Space Command's headquarters from Colorado to Alabama and a jury's determination of liability for a private prison operator in a forced labor class action are among the Colorado court cases to watch in the coming months. Here, Law360 looks at four Colorado cases to watch for during the rest of 2026.

  9. May 22, 2026

    States Tell Justices Colo. Climate Suit Threatens Sovereignty

    Florida, Texas, Pennsylvania and 23 other states urged the U.S. Supreme Court to reverse a Colorado Supreme Court ruling that allowed local communities to pursue climate change damages under state law, arguing it jeopardizes states' constitutional right to govern themselves.

  10. May 14, 2026

    High Court Must End Colo. Climate Suit, Oil Cos. Say

    Suncor Energy and ExxonMobil urged the U.S. Supreme Court Thursday to reverse a Colorado Supreme Court ruling allowing local communities to pursue state law tort claims for climate change damages, arguing their claims are "avowedly interstate and international in scope."