The UN Environment Program report tallied 40 significant mine waste accidents in the past decade. Most involved dams or other storage areas that failed.
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Last year, the Colorado Supreme Court tossed out drilling restrictions imposed by Longmont and Fort Collins, ruling that only the state could regulate the industry.
Colorado, North Dakota, Utah and Wyoming asked the court reconsider a ruling that temporarily allowed Obama-era regulation to go into effect.
An agreement with environmentalists approved Monday by a federal judge prohibits the use of the traps on Colorado public lands pending further study.
State regulators have relaxed testing requirements for drilling near Project Rulison, the site of an underground nuclear bomb explosion in 1969.
CU Boulder environmental historian Paul Sutter digs into the details of the Antiquities Act.
The Forest Service hopes to address overcrowding and human waste issues with the new permitting system.
Both western governors appeared together at an energy conference at Colorado State University.
Even with advances and efficiencies, not every energy company can make it work in Western Colorado — the costs are just too high.
The proposed natural gas export terminal brings hope to West Slope leaders but concerns about eminent domain and economic viability have slowed the project.
The ITC’s move to uphold a complaint from two manufacturers has opened the door for the Trump administration to possibly erect trade barriers on solar panel imports.
The University of Colorado study also found that the Raton Basin earthquakes were more widespread than previously thought.
The proposal comes not long after many of the parks that charge entrance fees raised them. The rationale is the same — to address a backlog of maintenance and infrastructure.
Depending on whom you talk to, the Broomfield plan was seen as a gold standard or a misguided plan in need to revisions.
Broomfield City Council is expected to vote on a long-awaited drilling agreement with Extraction Oil & Gas later this month.