Arizona

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.

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...

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

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.

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...

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...

This page features aerial photos of Lake Powell and Glen Canyon Dam near Page, Arizona. Lake Powell is the second-largest reservoir in the nation by capacity and began to fill...

There’s desperation in the desert – for communities that could run out of water if the Colorado River keeps shrinking from overuse and climate change. Many are now looking...

This page features aerial images of Lake Mead and Hoover Dam, along the Colorado River near Las Vegas, Nevada. Lake Mead is the nation's largest reservoir by capacity, but its...

A high stakes standoff is playing out over how to save the Colorado River. And with the biggest man-made reservoir in America — Lake Mead — running dry, time...