Is the name of a river really that important? If it’s the “Colorado River,” absolutely. The Colorado River is a lifeline in the West for people, birds and nature. On July 25, Colorado River Day, we ...

The U.S. Department of the Interior filed a lawsuit against a Fort Collins water company over a ruptured culvert that damaged parts of Rocky Mountain National Park in 2017.

Eagle County has fired its first volley in a last-ditch battle to block plans for millions of gallons of crude oil a week rolling along rails next to the Colorado River. The county joins several ...

The Colorado River, which serves roughly 1 in 10 Americans, is the region’s most important waterway. The 1,450-mile river starts in the Colorado Rockies and ends in the Sea of Cortez in Mexico.

“Leave it as it is,” declared U.S. President Teddy Roosevelt after a 1903 sojourn at the Grand Canyon. “You cannot improve on it. The ages have been at work on it, and man can only mar it ...

It’s difficult to fathom how the Colorado River could possibly carve the mile-deep chasm that is the Grand Canyon. But if one thinks of the river as a flume of liquid sandpaper rubbing the land ...