Climate change and deforestation are the leading causes responsible.
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Our Children's Trust, which supported the young plaintiffs in the case, said it was disappointed that the Supreme Court would not reconsider nor explain why.
The Monument is unsure when Rim Rock Drive will safely reopen or when entrance booths will again be staffed.
An Associated Press investigation found there could be more premature deaths, greenhouse gas emissions and other impacts.
The other six states in the Colorado River basin have agreed to plans that recognize a long-running drought, the dwindling supply of water and how they intend to cope with it.
Colorado has a long way to go in pursuit of 100 percent green energy. An important key to a future with renewables though will be storage.
The injured cub’s feet were severely burned in the wildfire that raged north of Durango last summer.
The lawsuit, initiated by the Wildgrass Oil and Gas Committee, names Gov. Jared Polis and regulatory agency Colorado Oil and Gas Conservation Commission as defendants.
Women are more likely than men to be killed in natural disasters, and more likely to become refugees after drought and famine.
Warm, dry weather is on the rise in Colorado. It's also the beetle's preferred climate.
A third of all of Colorado's carbon emissions come from cars and other vehicles.
Kristen Rasmussen and her team study stormy weather in the Andean foothills of Argentina.
Environmentalists and oil companies have been on edge since the Supreme Court heard oral arguments in the fall.
The documents may have evidence of residual plutonium contamination and other ongoing environmental dangers.
Just 40 years ago bald eagles were on the brink of extinction. Now, Colorado sees over a thousand migratory birds and is home to 125 or so nesting mates.