Environment

Highline Lake will be partially drained in an attempt to kill off invasive zebra mussel population

UN says ozone layer slowly healing, hole to mend by 2066

U.S. skier and Vail native Mikaela Shiffrin clinches 82nd win at the World Cup in Slovenia

Like restoring classic cars? Try converting it into an EV

CU Boulder researchers are creating a new tool that will help us better understand climate change

This Colorado Springs resident is the first woman to climb the Manitou Incline 1,000 times in a year — and she’s pregnant

Corrected ozone data estimate fracking and drilling produce more emissions than every Front Range vehicle

Gov. Polis proposes new incentives for electric cars, electric lawnmowers and e-bikes

Avalanche near Breckenridge kills UNC president’s adult son

Icy weather, slick roads and more snow expected for much of Colorado today

A year after the Marshall Fire, homeowners are still slowly piecing together money to rebuild

Photos, then and now: Revisiting the Marshall fire’s devastation one year later, as communities rebuild

Suncor has shut down Colorado’s only refinery. That’s raising concerns about air quality and higher gas prices

A warm homecoming celebration amid the ruins of the Marshall fire as one woman begins to rebuild

One year after the Marshall fire, Rep. Joe Neguse talks recovery efforts and finding long-term solutions to help future victims