Geography

As Colorado grapples with a demand-management program, there could be unintended consequences for animals that use irrigated agriculture for habitat.

Water managers are dealing with the after effects of fire and mudslides in Glenwood Canyon by continuing a water quality monitoring program. 

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...

The snowpack is crucial to the West’s water supply, ecosystems and economy. But climate change threatens to make the region’s snowpack thinner and less reliable. We talk to a leading snowpack researcher about how scientists are analyzing the past, present and future of the West’s snow.

This page features drone-captured images and videos of the Dolores River in southwest Colorado. The Dolores River begins in the San Juan Mountains and travels about 230 miles to meet...

Colorado could need 750,000 acre-feet of new water supplies by 2050 for its growing population, but how to store that water isn’t clear.

Draft assessment of 2007 Interim Guidelines expected to provide a guide as talks begin on new operating rules for the iconic southwestern river

A new agreement calls for Western states to leave their drinking water in the reservoir — and act as if they didn't.

A $1 million science experiment on Colorado hay fields is backed by powerful water groups, farm interests, and environmentalists.

Colorado’s predictions for spring runoff are looking better than the past two years, but streamflows are still expected to be below normal.