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Colorado Supreme Court Empowers Boulder in Battle Against Big Oil: Exxon Mobil and Suncor Face Climate Accountability Lawsuit

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Published on May 12, 2025
Colorado Supreme Court Empowers Boulder in Battle Against Big Oil: Exxon Mobil and Suncor Face Climate Accountability LawsuitSource: City of Boulder

In a landmark decision, the Colorado Supreme Court has given the green light for Boulder County and the City of Boulder in their lawsuit against Exxon Mobil and Suncor, a case focusing on the financial burdens of climate change-related damages placed on communities. According to the City of Boulder, these corporations are accused of knowingly contributing to climate change while actively downplaying the risks involved.

The case underscores a stark reality for Coloradans who, without a verdict in their favor, would see taxpayers shouldering the hefty costs of adapting to and mitigating the continually escalating impacts of global warming, with expenses projected to run into the hundreds of millions over the coming decades; this matter is particularly pressing in Colorado, one of the U.S. states experiencing the fastest temperature rise. As obtained by the City of Boulder, Boulder County Commissioner Ashley Stolzmann conveyed the community's vindication feeling, "This ruling brings us one step closer to holding accountable those who are the most responsible for altering our climate—and ensuring they contribute their fair share toward addressing the damage they've caused."

The court's decision, narrowly focused on whether federal law preempted state law application, held that Colorado could pursue its claims, rejecting the argument from Exxon that aimed to render the state's judicial reach impotent against the corporation's actions. This precedent-setting judgment aligns with a similar 2023 ruling by the Hawaii Supreme Court, as noted by the City of Boulder, granting momentum to numerous other courts across the country deliberating similar disputes.