Geography

Carbondale and the Roaring Fork Conservancy are finalizing funding to restore a half-mile stretch of the Crystal River and 18 acres of riparian habitat.

The seven U.S. states that share Colorado River water will soon renegotiate water management guidelines.

Infrastructure built more than a century ago still endures, but some of Colorado’s old irrigation ditches have been repurposed to meet the moment. The High Line Canal—a 71-mile-long former irrigation conveyance turned greenway and stormwater filtration tool—winds its way through the Denver metro area as an artery of infrastructure boasting a story of adaptation.

Colorado joins three other states in approving a new rule that clears the way for drinking treated wastewater.

Colorado could need 750,000 acre-feet of new water supplies by 2050 for its growing population, but how to store that water isn’t clear.

BUCKEYE, Ariz. – Beneath the exhausting Sonoran sun, an hour’s drive west of Phoenix, heavy machines are methodically scraping the desert bare. Where mesquite and saguaro once stood, the former...

The Maybell Irrigation District and The Nature Conservancy are rehabilitating and modernizing a key headgate and diversion on the Yampa River.

Deep below Arizona sit large volumes of water that are less salty than the ocean, but not easily used. If it were all pumped to the surface and purified, this brackish groundwater would supply Arizona’s water needs for a century or more. Problem is, it can’t all be pumped.

Colorado water officials are considering whether to designate the increasingly stressed Yampa River as over-appropriated.

Beavers are making a comeback as researchers look for ways to restore rivers and wetlands while improving the health of drought-stressed aquifers.