Overall, the river serves more than 40 million people in cities, farms and tribes in Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. Mexico also gets a share.
Energy and Environment
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Interior Secretary Ryan Zinke announced the new strategy for the ground-dwelling bird that has suffered a dramatic population decline across its 11-state range.
The city forester calls EAB the "single most destructive urban pest that Denver will ever have in its urban forest... Once it gets here."
Health care, not the environment, was top of mind for many attendees at the crowded public meeting
Local governments are exploring what new levels of control they can exert without running afoul of state law.
Utah wants cleanup compensation and unspecified damages in the 3-million-gallon Gold King Mine spill that was accidently triggered by EPA contractors.
Peabody says the lease would help the mine to continue at its current employment level of 365 people and generate about $13 million in royalties, half of which would go to Colorado.
Park rangers have happened upon several instances of vandalism and graffiti.
A first of its kind report for the Colorado Health Institute looks at the connection between health and climate change.
The FAA approved the SuperTanker to operate last fall, but a lack of agreement with the Forest Service has kept it grounded until now.
The report is based on dozens of soil and water tests over the last year at the base in Colorado Springs.
The company has voluntarily capped and abandoned all of its 1-inch flowlines on vertical wells in the Weld County area.
In Rocky Mountain National Park, $200,000 matched by $200,000 from the Rocky Mountain Conservancy will go to trail maintenance.
"Nuclear winter is a hazard. I'm trying to tell people they need to do something about it," CU Boulder atmospheric scientist Brian Toon tells Colorado Matters.
"This is great news for Colorado and I’m thrilled the Department of the Interior listened to Coloradans," Sen. Cory Gardner Said.