A lawsuit by the city of Boulder that seeks to hold oil companies accountable for their purported role in climate change will continue in a lower district court. The Colorado Supreme Court said in a ruling Monday that federal law doesn’t preempt the city’s claims in the lawsuit,

Boulder and Boulder County filed the lawsuit seven years ago, seeking to hold Suncor Energy and ExxonMobil accountable for driving climate change and the damages their pollution has caused.

Colorado's highest court on Monday rejected efforts by Exxon Mobil and Suncor Energy to dismiss a lawsuit by the city of Boulder seeking to hold the fossil fuel companies responsible for climate change.

The Colorado Supreme Court reinstated the Eighth Judicial District Attorney's Office on a stalking case on Monday, finding a trial judge incorrectly disqualified the office based on an incorrect perception of a conflict.

The case filed by Boulder and Boulder County seeks to force the fossil fuel companies to help pay for climate-driven disasters.

On May 12, 2025, in a 5-2 decision, the Colorado Supreme Court held that the tort claims brought by local governments in Colorado against major

The Colorado Supreme Court allows Boulder's lawsuit against Exxon Mobil and Suncor over climate damages to proceed.

A majority on the state Supreme Court allowed the climate lawsuit to proceed at the state level, but a minority dissent warned of "chaos."

The Colorado Supreme Court ruled that a lawsuit from the City of Boulder and Boulder County against energy companies Exxon Mobil and Suncor Energy can move forward.

In this conversation with Colorado Matters, Weiser addressed Congress and the Judicial branch’s roles in serving as brakes on the Trump administration, a push to end birthright citizenship and the impact of tariffs on Colorado businesses.