Geography

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.

The drought pool would be filled voluntarily, largely by farmers and ranchers, who would be paid to temporarily dry up their fields.

A bill making it easier for stream-restoration projects to take place has been gutted after stakeholders couldn’t reach an agreement.

LONESOME LAKE, WYOMING—Whit Coleman belly flopped with style into some of Wyoming’s most famous alpine waters on a summer day. Out on a father-son backpacking trip with friends, the Salt...

The U.S. Army Corps of Engineers has determined that the operators of a marble quarry violated the Clean Water Act when they diverted a tributary of the Crystal River to make way for a mining road.

This page features drone-captured images and videos of the Dolores River in southwest Colorado. The Dolores River begins in the San Juan Mountains and travels about 230 miles to meet...

As Aspen evolved from a bucolic high-mountain meadow to an industrial city, pollution began to flow directly into the Roaring Fork River and its tributaries.

This page features aerial photos of Hite Marina, the Hite Crossing Bridge, and Lake Powell in southeast Utah. Lake Powell is the second-largest reservoir in the nation by capacity and...

Restoring natural infrastructure, such as beaver habitat and the wetlands it creates, could shield communities from damaging floods, remove toxins and high sediment loads from water, and reduce the apocalyptic effects of megafires.

This map shows total rain and snowfall in the New Mexico every month from 1981 to the present. The map's color scale runs from white (no precipitation), to blue (significant precipitation) to red (intense precipitation)....