Two people river rafting at Glen Canyon by dam

Behind the Glen Canyon dam: past and future

Thousands of tons of concrete changed the Colorado River forever when the Glen Canyon dam was built. We look at the history and the role for the next generation
A sample of pilot run desalted water in Arizona.

Arizona Desal Plant Costs Millions, Hardly Used

Anticipating years of drought, officials built the Yuma Desalting Plant in 1992 to treat agricultural runoff and conserve water in Lake Mead. Over the past 26 years, however, the plant has operated just three times while costing millions of dollars to maintain.