Geography

Arizona’s powerful will to grow is challenged by extreme heat, deep drought, and serious water-related stress.

Hundreds of ranchers in the Yampa Valley have ignored a state request to begin measuring the water they use, putting them on a collision course with regulators if they don’t relent.

As the Southwest faces rapid growth and unrelenting drought, the Colorado River is in crisis, with too many demands on its diminishing flow. Now those who depend on the river must confront the hard reality that their supply of Colorado water may be cut off.

With a free app, volunteers gather crucial data on what type of precipitation is falling

Two new water storage projects designed to capture the flows of the Colorado River may represent the end of an era on the river.

A majority of Colorado voters believe the state should spend more money to protect its water resources, but they’re not willing to support new state taxes to fund the work.

Aspen’s new water resource plan outlines the strategy for creating emergency storage to address threats to existing supplies.

This page features aerial photos of the San Juan River, a key tributary of the Colorado River that drains the Four Corners region and meets Lake Powell in southern...

New Mexico faces tough choices as a dire and historic drought continues and the Rio Grande is unable to give everyone what they want or need.