climate change

A new study in the Rocky Mountains has found a steep drop in the number of young American pikas — small, high-altitude mammals known for their distinctive squeaks and rock-pile homes. Researchers say the 50% decline could be an early sign of deeper ecological shifts as the climate warms.

A new study in the journal Science suggests rivers in the arid American West may be doing something unexpected: absorbing carbon dioxide from the atmosphere. The finding could reshape how scientists model climate change.

A new study finds that what Americans eat — particularly beef — plays a major role in carbon emissions in cities. And cities in the Mountain West rank among those most heavily impacted.

Late-spring frosts aren’t just tough on gardens — they’re creating new challenges for black bears in the Mountain West.

A proposal to build one of the largest solar projects in the U.S. has been abruptly halted by the Trump administration — a move critics say undermines the nation’s renewable energy transition.

A new study shows Nevada’s groundwater — and the ecosystems that rely on it — is under growing strain. Researchers have mapped out solutions that could help and serve as a guide for other Mountain West states.

AI data centers use large amounts of water for cooling. And many are being built in the drought-stricken Mountain West, sparking concerns over water supplies.

A new report finds that rising temperatures are making droughts across the Mountain West and Southwest even worse — and longer-lasting.

A new study finds the iconic whitebark pine, which spans several Mountain West states, could lose most of its habitat to climate change in the coming decades. Scientists say the loss could impact wildlife – and people.

For hundreds of years, Hispanic communities across the Southwest have relied on these networks of hand-dug irrigation ditches to water their crops and feed their families. Now, these ancient traditions are under pressure from a changing climate.