The president's executive order instructs the Environmental Protection Agency to review the Clean Power Plan and other regulations.
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The county had imposed a drilling moratorium while it updated the rules. That prompted Attorney General Cynthia Coffman to file suit.
Thursday's Court of Appeals ruling in Xiuhtezcatl Martinez v. Colorado Oil and Gas Conservation could have major implications.
The National Ice Core Laboratory in Denver needs major renovations to keep its cool, for the sake of a treasure trove of research.
Scientist Pieter Tans of Boulder leads NOAA's Global Greenhouse Gas Reference Network, which just produced the new report.
These are the largest cuts and potential impacts in EPA Region 8, which covers Colorado, Montana, North Dakota, Utah, Wyoming and 27 Tribal Nations.
“It can be a little bit of a scary time for an operator,” says Phillip Dunning, an analyst with Littleton-based Drillinginfo.
Extraction Oil & Gas will now re-submit drilling plans for a meeting with the Colorado Oil and Gas Conservation Commission, July 24 and 25.
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.
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.