Waste spills out from an abandoned mine in Clear Creek County in August 2018. (Jesse Paul, The Colorado Sun)

50 million gallons of polluted water pours daily from mine sites across the U.S., including Colorado

That torrent is poisoning aquatic life and tainting water supplies in Montana, California, Colorado, Oklahoma and at least five other states.

Environment Primary category in which blog post is published
Education Primary category in which blog post is published

Denver schools could soon have too few students — meaning consolidation might be coming. Here’s why.

By 2022, Denver Public Schools predicts there could be as many as 19 schools with fewer than 215 students, which would cost the district $3.4 million in subsidies

Environment Primary category in which blog post is published

Colorado wildlife officials have already put down 12 bears this year. Can a new Denver Zoo exhibit help reverse the trend?

Denver Zoo’s Harmony Hill aims to teach visitors how to keep bears -- and themselves -- safe