A carbon dioxide test center in Wyoming captures CO2 from burning coal before it enters the atmosphere.
There are between 200,000 and 500,000 sage grouse in the West, down from a peak population of about 16 million.
It’s another blow to the reputation of the Air Force’s nuclear missile corps, which is capable of unleashing hell in the form of Minuteman 3 intercontinental ballistic missiles.
Matthew Riehl's six-year descent from a budding attorney to a gunman who live-streamed some of his final violent hours had struggled with episodes of mental illness.
The VA document says Riehl was hospitalized at the veterans medical center in Sheridan, Wyoming, in April 2014 after a psychotic episode.
The long-awaited change drew praise from Denver-based Western Energy Alliance, which sued to block the rules.
Nationwide, ICE says it arrested 40 percent more people under the Trump administration than in the prior year under President Obama.
Both western governors appeared together at an energy conference at Colorado State University.
Don't panic! There's still time to make plans for the 2017 solar eclipse.
Compared to last year at this time, more criminals and non-criminals have been arrested and deported.