New law could finally address thousands of abandoned mines leaking pollution into Colorado water By Elise Schmelzer January 4, 2025 at 6:00 a.m. A new law decades in the making could finally lead to the cleanup of some...
Cyanide won’t be used on Leadville mine waste in proposed gold extraction and cleanup project, company says By Elise Schmelzer December 11, 2024 at 6:00 a.m. CJK Milling will instead use a different process to separate the gold from 1.2 million...
Opinion: Why Colorado’s Chris Wright will be good for the Department of Energy By Aaron Harber December 4, 2024 at 5:01 a.m. When President-Elect Donald Trump nominated Denver’s Chris Wright as Secretary of the U.S. Department of...
Why is the EPA spending money on an old Colorado theater, auditorium and grocery? By Noelle Phillips December 2, 2024 at 6:03 a.m. Colorado this year received $6.9 million for projects in Greeley, Kersey, Lakewood, Monte Vista, Northglenn...
Opinion: The day the Animas River ran orange with pollution may have been the start of something beautiful By Dave Marston November 4, 2024 at 10:56 a.m. It was the summer of 2015 when the Animas River in southern Colorado turned such...
National park’s 25th anniversary is a milestone for Colorado conservation, compromise By Tiney Ricciardi October 21, 2024 at 6:03 a.m. On Oct. 21, 1999, the Black Canyon became Colorado's third national park. But it was...
Colorado gold mine ordered to “cease and desist” tours after fatal elevator malfunction By Katie Langford October 17, 2024 at 1:46 p.m. Colorado officials made the order about a week after a tour guide was killed and...
Rare gem discovered in Colorado mine up for auction, bidding starts at $8,000 By Lauren Penington October 3, 2024 at 1:03 p.m. A rare rhodochrosite gemstone discovered decades ago in Colorado's now-closed Sweet Home Mine could sell...
Thousands of abandoned mines in Colorado are leaking toxic water, but Congress finally has a solution in sight By Elise Schmelzer September 24, 2024 at 3:15 p.m. Polluted water leaking from thousands of abandoned mines in Colorado's mountains is turning wetlands orange...
Human intestinal bacteria have “short-lived” spike in Clear Creek during the summer By Meg Wingerter September 3, 2024 at 6:55 a.m. In addition to the increase in bacteria, researchers found a higher concentration of metals, such...