GUNNISON, Colo.— A Colorado judge today set a deadline for Gov. Jared Polis’ administration to draft an air quality permit for the West Elk coal mine and ordered a state agency to report progress to ...

Editor’s note: This is the first part of a two-part series from Aspen Journalism about wolf reintroduction. Tony Prendergast’s XK Bar Ranch sits slightly south of Crawford, Colorado, near the Smith ...

Colorado has 41 designated wilderness areas, ranging from the small, such as the 8,095-acre Byers Peak Wilderness Area, to the immense, the 492,410-acre Weminuche Wilderness in southern Colorado.

The controversy has arisen because Arch Coal wants to get its federal coal lease modified so it can someday expand beneath more than 1,700 acres lying beneath the Sunset roadless area, adjacent to the ...

After a day of hiking the Mill Castle Trail in the West Elk Mountains I had returned to the trailhead, tired but exhilarated by my immersion in fall in the West Elk Wilderness. I had been looking at ...