Geography

In the arid Southwest, where water scarcity often divides competing interests, an innovative approach could become the model for future cooperation. Brad Hicks shows you how a river is being...

This page features ground-based photos of Blue Mesa Reservoir, along the Gunnison River in Curecanti National Recreation Area. Created by 390-foot Blue Mesa Dam, the reservoir has a total capacity...

This page features ground-based photos of the Green River, Yampa River and Echo Park in Dinosaur National Monument. Echo Park, which lies at the confluence of the Green and...

This page features photos of the Santa Cruz River in Tucson, Arizona. The Santa Cruz begins in southern Arizona, dips into northern Mexico, and meets the Gila River, a...

After nearly 136 years of work, the U.S. Geological Survey still faces problems mapping small streams. Now hikers and lasers are on the solutions menu.

A bill making it easier for stream-restoration projects to take place has been gutted after stakeholders couldn’t reach an agreement.

Once criticized for being a profligate user of water, fast-growing Phoenix has taken some major steps — including banking water in underground reservoirs, slashing per-capita use, and recycling wastewater — in anticipation of the day when the flow from the Colorado River ends.

Putting a price tag on the water stored in the region’s high-elevation frozen reservoir

It's unclear whether a new law could improve water quality in the Eagle River Village park, but legislators want to pressure owners to do more.

Communities along the Colorado River are facing a new era of drought and water shortages that is threatening their future. With an official water emergency declaration now possible, farmers, ranchers, and towns are searching for ways to use less water and survive.