The investigation into the cause of the fire has been completed, but an outside probe is being conducted to vet the results before release.
Energy and Environment
All Energy and Environment Stories
Like his boss, Bernhardt's position hasn't come with controversy or conflicts of interest.
General William Jackson Palmer's trash has become researchers' treasure as they sift through a Garden of the Gods dig site.
Paul Bodnar helped negotiate the Paris Climate Agreement under the Obama administration. Now the Trump administration plans to withdraw.
Amy Irvine imagines having a conversation with the writer in her book, 'Desert Cabal.'
As Earth heats up, many cities will find their infrastructure woefully unprepared for the difference a few degrees could make.
That number of at-risk Coloradans soared 45 percent in just five years, from 2 million to nearly 3 million.
A recent New York Times story surveyed how global warming is impacting America's first national park and the animals and plants there.
The Fish and Wildlife Service is reintroducing Mexican wolves in Arizona and New Mexico, part of their original range.
The wildlife refuge's past as a Superfund site has caused concern among environmental groups.
New research from CU Boulder analyzed weather and crime data from 16,000 cities.
Starting Jan. 1, there will be varying increases to state licenses and annual park passes.
In 1991, federal officials classified the razorback sucker as an endangered species.