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

‘It’s devastating’: Drawdown at Flaming Gorge hits local recreation economy

As campers with boats flocked to Buckboard Marina at the start of Memorial Day weekend, Tony Valdez was busy issuing refunds and repairing broken boat ramps. One older Green...

Hoover Dam approaches a hydropower cliff

Some day in the next 12 months – maybe in late-August, maybe not until next spring – Lake Mead will drop below the critical threshold of 1,035 feet above...

Colorado River faces ‘devastating consequences’ if another dry winter lands, experts warn

Even a huge snowpack during the coming winter would only give the river basin states less than two years of storage before reservoirs returned to historic lows.

‘It’s a different lake now’: As Lake Powell drops, an iconic marina chases deeper...

Titus Crawford spent four days calling Lake Powell boaters this spring. After a record low snowpack and off-the-charts March heat, the reservoir was on track to dip so low...

Glen Canyon Dam faces its existential moment

PAGE, Ariz. – In the span of U.S. history certain years are turning points, milestones in the nation’s story. 1776. 1865. 1929. 1968. Circumstance and consequence conspire to make...

Colorado River emergency actions leave root causes of crisis unaddressed

On April 17, the federal government ordered emergency measures to prevent water levels at Lake Powell from falling so low that Glen Canyon Dam, which created the reservoir, could...

Less federal pressure, worsening drought, and more interstate tension loom over Colorado River talks

The Colorado River Basin is in crisis.  Climate change is reducing its flow and its biggest reservoirs are shrinking. The seven U.S. states that use the river are negotiating cutbacks...
A large elevation differential is a crucial feature of the proposed Carrizo Four Corners project. The project's upper reservoir would be located at the top of the Carrizo Mountains, seen here on Navajo Nation land near Beclabito.

Massive energy storage project eyed for Four Corners region

BECLABITO, N.M. – Standing in a breezy parking lot on Navajo land in the state’s far northwest corner, Tom Taylor looked toward the western horizon and then upwards at...
Transmission lines march outward from Hoover Dam, delivering the dam's hydroelectric power to cities, irrigation districts, and tribes across the Southwest.

Solar growth cushions Colorado River hydropower declines

Lakes Mead and Powell, the basin’s two largest reservoirs, are approaching critical levels in which hydropower from their dams (Hoover and Glen Canyon, respectively) would be severely curtailed or altogether cease.

Once a showcase of American optimism and engineering, Hoover Dam faces new power generation...

The long-term drying of the American Southwest poses a gathering and measurable threat to hydropower generation in the Colorado River basin. Should Lake Mead, the reservoir formed by Hoover Dam,...