An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Does Arizona have enough water? Phoenix-area cities are spending big to make sure it...

Brett Fleck does not have an easy job. He manages water for a city in the desert. He has to keep taps flowing while facing a complicated equation: The...

Photos: Vallecito Reservoir aerials, May 2024

This page in our free multimedia library features aerial photos of Vallecito Reservoir near Durango, Colorado. The reservoir is located in the San Juan Mountains and along the Los Pinos...

Using less of the Colorado River takes a willing farmer and $45 million in...

Wyoming native Leslie Hagenstein lives on the ranch where she grew up and remembers her grandmother and father delivering milk in glass bottles from the family’s Mount Airy Dairy. The...

Q&A: Defining the “snow deluge” and projecting its future

Scientist Adrienne Marshall explains why these extreme snow years are expected to decline in our warming world.

The Other Border Dispute Is Over an 80-Year-Old Water Treaty

With another hot summer looming, Mexico is behind on its water deliveries to the United States, leading to water cutbacks in South Texas. A little-known federal agency has hit a roadblock in its efforts to get Mexico to comply.

In Colorado, new scrutiny and possible fixes coming for drinking water in mobile home...

A new law gives the state authority to test water quality in mobile home parks and force owners to fix any issues. The testing program officially begins this summer, but state officials have gotten a head start at one community in Western Colorado that helped spur the legislation.

Photos and videos: San Juan River, Utah, September 2023

This page in our free multimedia library features photos and videos of the San Juan River, near Mexican Hat, Utah. The San Juan is an important tributary of the Colorado...

Photos: Lake Nighthorse aerials, May 2023

This page in our free multimedia library features aerial photos of Lake Nighthorse, near Durango, Colorado. The 1,500-acre reservoir, which filled for the first time in 2011, was created by...

10 visuals that show how climate change is transforming the West’s snow and water...

The latest National Climate Assessment warns of a shrinking snowpack and serious downstream consequences.

Photos: Snowpack in San Juan Mountains, May 2023

This page in our free multimedia library features aerial photos of the snowpack in the San Juan Mountains of southwest Colorado. The San Juans are mostly located in southwest Colorado...