Boulder's National Center for Atmospheric Research finds that while warmer winters are causing the mountain snowpack to melt earlier, the speed at which the snow melts is getting slower.
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Martin Keller heads the National Renewable Energy Laboratory in Golden. Its 40th anniversary comes at a time of political uncertainty under President Trump.
After 20 years in Utah, the Outdoor Industry Association is moving their annual trade show. Colorado is preparing to roll out the red carpet to capture the business.
The Outdoor Industry Association is unhappy with Utah's stance on public lands. It will bring its millions of dollars in revenue elsewhere in 2019.
The governor also says more local law enforcement of immigration could jeopardize trust with communities they police.
With natural gas remaking the energy landscape, here's Colorado's remaining coal-fired power plants in one map.
“Regrettably, Boulder County’s open defiance of State law has made legal action the final recourse available to the State,” the office of the Attorney General said in a statement.
In 2012, 7.65 percent of proposed facilities had eight or more wells. In 2016, the share jumped to 43 percent.
The state health department will use comprehensive air quality data collected by Colorado State University.
Nine western states including Colorado could be affected by Rep. Jason Chaffetz’s Disposal of Excess Federal Lands Act.
Earlier this week, the Trump administration ordered a temporary suspension of EPA contracts and grants. The agencies are sorting through what that means.
2016 was the hottest year on record since scientists began tracking global temperatures in 1880. In Colorado, it was the 5th hottest year on record.
Wild Earth Guardians alleges the the state's plan violates the Colorado constitution.
The Colowyo Mine will now extract coal in territory to the north in the Collom development.
The president-elect's nomination of former Texas Gov. Rick Perry to lead the U.S. Department of Energy has raised concerns among clean energy advocates.