Prowling the bowels of Hoover Dam

Hoover Dam

Hoover Dam’s hydroelectric generation was very important when the dam was completed in 1936, helping Los Angeles became a great city. Can Hoover Dam and Lake Mead become a giant battery tries to become 100% renewable powered?

Yet another drought for the hard-working Colorado River

Runoff this year in the Colorado River peaked early and with marginal volumes after yet another lackluster winter of snow in many of its headwaters. A lot of years in the 21st century have been like that. Some think something else is going on.

Questions about dams posed by West’s shrinking snowpack

A new study finds declines at more than 90 percent of snow monitoring sites with long records across the western United States. The study dramatically reinforces earlier findings that pose fundamental questions about the adequacy of the West’s existing water infrastructure, policies, and institutions in a warming world.

Letting water flow down the Yampa to Lake Powell

irrigation at Colorado’s Carpenter Ranch along the Yampa River was suspended this year July 1, part of a pilot program in the Colorado River Basin intended to create greater flexibility in water in anticipation of drought.

Can cloud-seeding ride to the rescue?

Can’t technology save us from the hard edges of aridity in the American Southwest? In the case of cloud-seeding, the answer seems to be no, a well-funded and extensive experiment in Wyoming suggests.

Good intentions gone awry on the Colorado River

With Lake Mead rapidly drawing to a time when it can no longer provide the water committed to California, Arizona and Nevada, Brad Udall examines the thinking of politicians and policymakers in authorizing the Central Arizona Project in 1968.