Geography

If drought and climate change continue to sap the Colorado River, and a legal crisis erupts with downstream states, six of Colorado's eight major river basins could be forced to give up water.

The crisis on the Colorado River is not waiting for the state of Colorado to develop a program to avoid water shortages.

This page features drone-captured videos and images of Navajo Lake, a reservoir that impounds the San Juan River in southern Colorado and northern New...

Colorado, New Mexico, Utah and Wyoming may face requests for voluntary cutbacks in their use of Colorado River water next year.

Despite widespread global success and huge opportunity for reducing fossil fuel demand, solar water heating is virtually unheard of in the U.S.

In the struggling Colorado River basin, where water is scarce, the White House has signaled its priorities for how to use the remaining gallons. Even...

Deep below Arizona sit large volumes of water that are less salty than the ocean, but not easily used. If it were all pumped to the surface and purified, this brackish groundwater would supply Arizona’s water needs for a century or more. Problem is, it can’t all be pumped.

Although snowpack in the mountains near Aspen is hovering above normal for this time of year, streamflows in the Roaring Fork River are predicted to be just 85% of normal for April.

As Aspen evolved from a bucolic high-mountain meadow to an industrial city, pollution began to flow directly into the Roaring Fork River and its tributaries.

Feds’ new plan doesn’t resolve crop-threatening water shortage and likely will end up in court, two professors reckon.