Boulder and Boulder County filed the lawsuit seven years ago, seeking to hold Suncor Energy and ExxonMobil accountable for ...

Colorado's highest court on Monday rejected efforts by Exxon Mobil and Suncor Energy to dismiss a lawsuit by the city of ...

A lawsuit that accuses Exxon Mobil and Suncor of contributing to climate change through fossil fuel activities was allowed to ...

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

A climate change-related lawsuit against Exxon Mobil and Suncor Energy that alleges the oil giants "intentionally misled the ...

The State Supreme Court has cleared the way for a high-profile lawsuit, years in the making, to move forward in state court.

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

Colorado public health officials issued an ozone action day alert for the Denver metro and Front Range on Tuesday, with ozone ...

The Colorado Supreme Court ruled that a lawsuit from the City of Boulder and Boulder County against energy companies Exxon ...

The Colorado Supreme Court ruled Monday that a lawsuit filed by the City of Boulder and Boulder County against energy ...

The Colorado Supreme Court on Monday ruled that a landmark lawsuit brought by the City of Boulder and Boulder County against ...