Supreme Court to Review ExxonMobil and Suncor’s Challenge Against Colorado Climate Lawsuit
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The U.S. Supreme Court has agreed to take up a significant climate lawsuit that involves local governments in Colorado and major energy corporations, ExxonMobil and Suncor.
The high court officially added the case to its calendar on Monday after the energy companies filed a petition. This petition seeks to clarify whether federal law preempts state-law claims regarding interstate emissions.
This legal battle follows a May 2025 decision by the Colorado Supreme Court, which affirmed the authority of local jurisdictions to pursue compensatory relief for climate-related damages in state courts.
In this case, the City of Boulder and Boulder County are pursuing monetary damages for environmental harm, including wildfires and floods. They allege that the defendants misled the public about the climate risks associated with fossil fuels.
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The U.S. Supreme Court on Monday agreed to take up a climate lawsuit that pits local governments in Colorado against global energy giants ExxonMobil and Suncor. (Mandel Ngan/AFP via Getty Images, File)
The Colorado Supreme Court ruled that the case could proceed in state court after the energy companies argued unsuccessfully that the claims were preempted by federal law, particularly the Clean Air Act, or should be governed solely by federal common law.

The U.S. Supreme Court building is seen at night in this undated photo. (iStock)
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While the Colorado Supreme Court allowed several claims to proceed, including public nuisance, trespass, and unjust enrichment, it dismissed a specific consumer protection claim as time-barred.

The facade of the U.S. Supreme Court in Washington, D.C., on Oct. 3, 2024. (Valerie Plesch/picture alliance/Getty Images)
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A dissenting justice expressed concerns that the ruling could lead to a chaotic patchwork of local regulations on an issue that is fundamentally international in scope.
The Supreme Court is set to hear oral arguments in this pivotal case during its next term, which begins in the fall.
Check out what’s clicking on FoxBusiness.com.
The U.S. Supreme Court has agreed to take up a significant climate lawsuit that involves local governments in Colorado and major energy corporations, ExxonMobil and Suncor.
The high court officially added the case to its calendar on Monday after the energy companies filed a petition. This petition seeks to clarify whether federal law preempts state-law claims regarding interstate emissions.
This legal battle follows a May 2025 decision by the Colorado Supreme Court, which affirmed the authority of local jurisdictions to pursue compensatory relief for climate-related damages in state courts.
In this case, the City of Boulder and Boulder County are pursuing monetary damages for environmental harm, including wildfires and floods. They allege that the defendants misled the public about the climate risks associated with fossil fuels.
FEDERAL JUDGE BLOCKS RELEASE OF JACK SMITH REPORT’S SECOND VOLUME

The U.S. Supreme Court on Monday agreed to take up a climate lawsuit that pits local governments in Colorado against global energy giants ExxonMobil and Suncor. (Mandel Ngan/AFP via Getty Images, File)
The Colorado Supreme Court ruled that the case could proceed in state court after the energy companies argued unsuccessfully that the claims were preempted by federal law, particularly the Clean Air Act, or should be governed solely by federal common law.

The U.S. Supreme Court building is seen at night in this undated photo. (iStock)
TRUMP SAYS SUPREME COURT RULING AGAINST BIRTHRIGHT CITIZENSHIP ORDER WOULD BENEFIT CHINA
While the Colorado Supreme Court allowed several claims to proceed, including public nuisance, trespass, and unjust enrichment, it dismissed a specific consumer protection claim as time-barred.

The facade of the U.S. Supreme Court in Washington, D.C., on Oct. 3, 2024. (Valerie Plesch/picture alliance/Getty Images)
CLICK HERE TO DOWNLOAD THE FOX NEWS APP
A dissenting justice expressed concerns that the ruling could lead to a chaotic patchwork of local regulations on an issue that is fundamentally international in scope.
The Supreme Court is set to hear oral arguments in this pivotal case during its next term, which begins in the fall.
