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

A Mexican water expert on what Arizona can learn from Hermosillo

As severe water scarcity becomes an increasingly real and dire prospect for Arizona, looking south to Sonora offers important insight.

Photos: Salt River, Arizona, 2021 and 2023

This page features aerial photos of Arizona's Salt River, including its confluence with the Verde River. Both the Salt and Verde are tributaries of the Gila River and part of the Colorado...

Photos: Granite Reef Diversion Dam aerials, June 2023

This page features aerial photos of Arizona's Granite Reef Diversion Dam, along the Salt River near Mesa. Completed in 1908, the dam is only 29 feet high but 1,000 feet long. It was...

Photos: Stewart Mountain Dam and Saguaro Lake, June 2023

This page features aerial photos of Arizona's Stewart Mountain Dam and Saguaro Lake along the Salt River northeast of Phoenix. Stewart Mountain Dam was built from 1928 to 1930 by the Salt...

Seasonal river cleanups could be a new community conservation tradition in Tucson

The Santa Cruz River may be dry but it has come alive with people who are making a seasonal river cleanup a community conservation tradition in Tucson.

Photos: Roosevelt Dam and Roosevelt Lake aerials May 2021

This page features aerial photos of Theodore Roosevelt Lake and Theodore Roosevelt Dam, along the Salt River east of Phoenix. Roosevelt Dam, which rises 357 feet, was the first structure completed as a part of...

How Hudbay’s Santa Rita mining will impact Southern Arizona’s waterways

The proposed Copper World Complex mine is carving roads and berms that will impact wildlife and waterflow.

An Arizona water story where ranchers, environmentalists and developers are collaborating

A nonprofit trust is in the middle of a five-phase campaign to purchase and protect Sopori Creek and Farm and its larger watershed and habitat.

Photos: Antelope Point and Lake Powell, May 2021

This page features aerial and ground-based photos of Antelope Point and Lake Powell in northern Arizona. Lake Powell is the second-largest reservoir in the nation by capacity and began to...

Crop in the crosshairs

The federal government is trying to save the water supply for 40 million Americans. It has released three possible plans to protect the Colorado River Basin, which is facing...