climate change

Climate change could be taking a toll on the smallest creatures in the Mountain West. A new study finds insect populations in one mountain valley have plunged by more than 70% in recent decades. Scientists say this trend could shake the food chain in alpine areas across the region.

A new scientific analysis shows that fall temperatures are rising across the country because of climate change, especially in the Mountain West. More than simply a delay in sweater weather, experts say this trend has more serious impacts.

A new report shows America’s water systems need more than a trillion dollars in upgrades in the coming decades. In the West, states are dealing with shrinking reservoirs, worsening drought, and a lack of data to plan for the future.

In the wake of devastating Western wildfires, bills began cropping up in state legislatures — all striving to limit utility companies' liability for causing wildfires.

An analysis of federal data shows a 41% rise nationally in emergency room visits due to extreme heat incidents last year. It’s hitting vulnerable Americans the hardest.

The Colorado Department of Corrections said the evacuation of the Rifle Correctional Center was made out an "abundance of caution" to keep incarcerated individuals safe from the Lee Fire.

The move, by the Colorado River Indian Tribes in Arizona and California would give rights of nature to the water, marking a historic first.

The EPA is trying to rescind the "endangerment finding," which Arizona, Colorado and New Mexico officials say helps protect humans and the environment from unhealthy emissions.

They say extreme heat and other climate impacts should be considered in monetary policy-making.

New data from the Bureau of Reclamation puts the river and its reservoirs in formal shortage conditions. Policymakers are stuck on ways to fix that in the years to come.