African antelope brought to New Mexico decades ago for hunting could eventually spread across much more of the West as climate change brings warmer winters, according to new research.

Proponents say that natural gas is the most reliable source of baseload energy for rural Coloradans, while opponents say this would hamper the state’s ability to regulate the oil and gas industry.

The federal government plans to lease about 5,000 acres of public land on Garfield County’s Roan Plateau in December for future drilling.

New satellite observations show that some global river models struggle to account for dams, reservoirs and other human influences, raising questions about their reliability for water planning.

Even before the snow stopped falling this past winter, fire leaders across the region were ringing alarm bells about what it meant for the 2026 fire season.

New federal data shows a wide gap in the amount of carbon pollution produced by electricity generation across the West, reflecting stark differences in how states produce their power.

Fossil fuel giant Suncor want the case to be heard in federal court, despite the Colorado Supreme Court having already ruled that the case can be heard in state court.

The Supreme Court kicked off its new term Monday with tough questions about the future of Boulder’s blockbuster climate suit. The justices are considering Suncor v. Boulder, which presents complicated questions about who should pay for the costs of climate-driven disasters.

Microplastic concentrations in Nevada’s Truckee River increased nearly tenfold during spring runoff, according to new research that offers a glimpse into how plastic pollution moves through some western waterways.

Wildfires are burning more land in watersheds that provide water to communities across the West, raising concerns about water quality and infrastructure as fires become larger and more frequent.