An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

The driest year revisited: Five takeaways from 2002 for today’s Colorado River

The Colorado River basin has been here before.  This year’s historic winter of low snow might feel novel. But recent years give some insight into just how dry the West’s...

Video and photos: Captain Jack Mill drone flight, July 2019

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,...
Beaver dam photo

Scientists: Beavers latest tool to emerge in rebuilding drought-stricken streams

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

Human emissions are helping fuel the Southwest’s epic drought

Three studies of the Pacific Ocean conclude that lower precipitation isn’t just due to natural causes
Old cottonwoods line the banks and trails of the historic Denver Highline Canal

Denver’s High Line Canal a study in using something old to solve new problem

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.

Vague and voluntary proposals may do little to help Colorado River

Seven municipal water providers in the West create a five-point plan to conserve water, but some say it's not enough.

Is ecosystem change in the Sacramento-San Joaquin Delta outpacing the ability of science to...

A science panel argues for a new approach to make research nimbler and more forward-looking to improve management in the ailing Delta.
The confluence of the Colorado and Little Colorado rivers in the Grand Canyon, shown here in a September 2020 aerial photo from Ecoflight, represents an area where the humpback chub has rebounded in the last decade. That progress is now threatened by declining water levels in Lake Powell, which could lead to non-native smallmouth bass becoming established in the canyon. CREDIT: JANE PARGITER/ECOFLIGHT

Declining levels at Lake Powell increase risk to humpback chub downstream

Low levels and warming waters threaten to increase invasive species in the Colorado River.

Budget-strapped Wyoming towns race for federal funds to fix aging water, sewer systems

Waking up to long-overdue system upgrades, dozens of towns that were awarded federal ARPA dollars may see them "clawed back" for lack of resources to complete paperwork.

Colorado bill to expand loan of water to the environment has wide support

House Bill 1157 would allow water-rights holders to temporarily loan their water to the Colorado Water Conservation Board’s instream-flow program with the goal of improving the natural environment.