Three million gallons of acidic mine drainage flooded into the Animas River basin 10 years ago, turning the southern Colorado ...

A group of environmental advocates earlier this year sent a petition to the federal government with a simple, seemingly ...

Federal officials announced Aug. 15 they would continue water allocation cuts on the Colorado River for the fifth consecutive ...

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

Federal officials say Arizona, Nevada and Mexico must again live with less Colorado River water as drought lingers in the ...

We’re pretty far apart, and we haven’t made a lot of progress closing the gap,” Arizona’s negotiator, Tom Buschatzke, told The Denver Post this week.

Utah and the six other states along the Colorado River are in the middle of negotiating new agreements governing the Colorado ...

The latest projections for the Colorado River are out, and they paint a picture of more dry conditions and dropping ...

New federal forecasts for the Colorado River show more dry conditions and low reservoirs. And that means the "shortage ...

California shoots pointed words at states upriver, as negotiators struggle toward sharing supplies. Without a deal, the Trump ...

Amid tense negotiations over the Colorado River’s future, Nevada leaders came together Thursday to focus on the state’s strategy to meet the climate and drought crisis threatening Lake Mead and the ...

In an effort to protect and reintroduce native fish, wildlife officials in Rocky Mountain National Park are closing several ...