Geography

Population growth, agricultural withdrawals and climate change have badly diminished the river and threaten its future.

As its trial date in water court approaches, hundreds of pages of depositions obtained by Aspen Journalism reveal state engineers’ sticking points regarding a proposed reservoir project they oppose in northwest Colorado.

The upstream effort to restore a river and its fish.

This page features aerial photos of Cataract Canyon, along the Colorado River in Utah's Canyonlands National Park and Glen Canyon National Recreation Area. Cataract Canyon begins at the confluence with...

Ouray County is asking the state water board to delay a court filing designed to protect streamflows and resolve issues in a related case.

This page features drone-captured photos and video of Westwater, a small Navajo community next to Blanding, Utah, that recently got electricity and is still waiting for running water. Water...

A developer who disrupts wetlands or streams can offset that impact by buying credits generated from floodplain and ecosystem restoration.

A warming climate has been linked to human activity around the world, and has affected the Colorado River System as well. The impacts are substantial, from reduced water flows, threats to indigenous species and the influx of new invasive species along the river system.

A prototype web tool uses historical data to give river users and water managers the ability to check an entire season’s flow forecast.

This photo gallery contains images taken by drone for our story on acid mine drainage in Colorado, which featured the Captain Jack Mill Superfund site near Ward, Colorado. DateJuly 18,...