July 28, 2026

By Keith Goldberg

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.

July 20, 2026

By Aaron Keller

A Connecticut state judge on Monday seemed inclined to wait for upcoming U.S. Supreme Court preemption guidance before ruling on the state's attempt to nix one of Exxon Mobil's defenses in an environmental marketing lawsuit, though both sides drew some skepticism during oral argument Monday.

July 15, 2026

By Rae Ann Varona

The Seventh Circuit on Wednesday kept the city of Chicago's climate deception suit against BP, Shell and other oil giants in Illinois state court, saying the oil companies could not lean on their fuel production for the federal government to remove the case to federal court.

July 14, 2026

By Melanie Dorsey

Michigan Attorney General Dana Nessel has asked a federal judge for permission to respond to the U.S. Department of Justice's statement of interest supporting dismissal of key portions of the state's antitrust lawsuit against some of the world's largest oil companies, arguing the federal government's filing mischaracterizes the case and conflicts with its own public statements on antitrust enforcement. 

July 09, 2026

By Rachel Riley

A Washington state judge said Wednesday that Exxon, Chevron and other oil giants must face a lawsuit over a death in a 2021 heat wave, distinguishing the case from other climate torts brought by cities and rejecting the companies' contention that the family of Juliana Leon is seeking to regulate global greenhouse gas emissions.

July 08, 2026

By Keith Goldberg

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.

July 08, 2026

By Rachel Konieczny

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.

June 30, 2026

By Melanie Dorsey

The U.S. Department of Justice has weighed in on Michigan Attorney General Dana Nessel's antitrust lawsuit against some of the world's largest oil companies, arguing much of the state's case is legally barred because Michigan is improperly attempting to regulate climate change through state antitrust law. 

June 16, 2026

By Rachel Riley

A Washington state judge pushed back Tuesday after Chevron and other oil giants urged dismissal of a family's lawsuit over a 2021 heatwave death, saying this case differs from a host of failed climate torts because it focuses on a single fatality from a "very specific weather event."

June 02, 2026

By Rachel Riley

A Ninth Circuit panel refused Tuesday to revive a group of youths' legal challenge of President Donald Trump's executive orders spurring the use of fossil fuels to meet the country's energy needs, concluding the plaintiffs "can only speculate" that the orders will trigger agency decisions that ultimately intensify climate change.

June 01, 2026

By Tom Lotshaw

Minnesota has told a federal judge the Trump administration recycled absurd standing theories rejected in other cases to support an "egregious" attempt to block the state's six-year-old consumer deception lawsuit against fossil fuel entities.

May 22, 2026

By Elaine Briseño

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.

May 14, 2026

By Ganesh Setty

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."

May 07, 2026

By Elaine Briseño

A Hawaii state judge refused to pause Honolulu's climate change lawsuit against fossil fuel companies while the U.S. Supreme Court deliberates the future of a similar case lodged by Boulder, Colorado, saying the case is not federally preempted.

May 04, 2026

By Gautama Mehta

The federal government moved to halt Minnesota's state court lawsuit accusing Exxon Mobil Corp. and others of lying to the public about fossil fuels' effects on climate, alleging in a new lawsuit on Monday that the state is usurping federal authority.

May 04, 2026

By Keith Goldberg

Global oil giants and an industry group have said Michigan Attorney General Dana Nessel has no basis to allege they conspired to restrict renewable energy and delay the transition away from fossil fuels in violation of federal antitrust laws.

April 30, 2026

By Ben Adlin

A Washington state judge refused on Wednesday to dismiss two Native American tribes' lawsuits accusing ExxonMobil, Chevron and other major oil companies of concealing climate change risks related to fossil fuels, rejecting the companies' arguments that federal law blocks the tribes' claims.

April 24, 2026

By Gautama Mehta

The high court's recent decision letting Chevron move a state court lawsuit to federal court has raised questions about the newly expanded scope of a statute permitting such transfers, when allegations are tied to work for the federal government.

April 16, 2026

By Mike Curley

A Hawaii federal judge has dismissed with prejudice a suit from the U.S. government aiming to block the state from suing oil and gas companies on climate change-related claims, finding the government's complaint fails to establish any of the elements of standing.

April 15, 2026

By Frank G. Runyeon

New York state appeals judges voiced skepticism Wednesday of New York City's bid to revive its lawsuit against major energy companies for "greenwashing" their gasoline products, highlighting the lack of alleged false claims and questioning whether they were even misleading.