Southern California farmers are conserving a lot more Colorado River water, but that’s also causing the Salton Sea to dry up ...

For decades, the annual balance sheets for Denver Health, the city’s safety-net hospital, have looked like a child’s drawing ...

In 1924, forester Aldo Leopold convinced his superiors in the regional office of the U.S. Forest Service to set aside ...

The idea of building a giant East-to-West water pipeline to fix the Colorado River crisis is not feasible due to political, ...

In 1998, Tony Kay, who was president of Colorado Trout Unlimited at the time, knew something was wrong at Windy Gap Reservoir ...

Federal regulators violated environmental protection laws when they improperly issued permits allowing Denver Water to expand ...

The opinion comes as construction of the Gross Dam project is already underway and slated for completion in 2027.

New research from the University of Arizona suggests an unexpected connection between the Lower Colorado River Basin and the surface of Mars, offering a potential window into the ancient climate of ...

There’s a lot of anxiety about climate change shrinking Lake Powell, but it also means whitewater rapids upstream have re-emerged. Thrillseekers can now run them for the first time since the 1960s.

Stabilizing the Colorado River is a formidable challenge, federal officials write, but we've done it before. We can do it ...

Ancient rainstorms may have sculpted the red planet, similar to the monsoon rains that helped shape the Southwest’s landscape ...

Water management agreements for the river — shared by Colorado, New Mexico, Utah and Wyoming, Arizona, California and Nevada — will expire at the end of 2026. The Bureau of Reclamation ...