Just a few years ago, 100 percent renewable energy goals were pie-in-the-sky academic thought experiments.
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The plaintiffs had alleged the Department of Transportation didn't study potential pollution impacts before beginning construction.
Climate change is big. For some, the little lagomorphs can be a way to grasp its reality.
Revving up the legal gears could pose a setback for Denver Water, which has spent years securing the necessary permits.
The answer lies in how railroads were built across the American West.
The move comes a month after Colorado voters rejected Proposition 112, which would have increased setbacks to 2,000 feet.
Paul Bodnar of the Rocky Mountain Institute attended the summit in Poland as part of the U.S. delegation.
The lithium ion battery will provide power on days when wind and solar don't produce enough.
Preliminary results from the Colorado School of Mines and the Colorado School of Public Health research were shared with residents Thursday night.
The president of Xcel's Colorado operations answered questions about the road to come.
A deal was supposed to be signed by the end of 2018, under threat that the water levels on the river would push the federal government to impose its own restrictions.
U.S. District Judge Brian Morris is presiding over a Thursday hearing on whether the moratorium should be reinstated.
As extreme drought encroached on Colorado and much of the Southwest this year, many eyes turned to the weekly U.S. Drought Monitor map.
Colorado River water supports about 40 million people and millions of acres of farmland in the U.S. and Mexico.
The rural electricity provider in Colorado coal country is parting ways because Tri State is too closely tied to fossil fuels.