Botanist Gustaf Starck rallied people passionate about preserving desert plants with a sign outside his Scottsdale ranch.

Although I’ve lived in Phoenix, Arizona for twenty years of my life, there are still times I wonder why on earth someone ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

Cassidy Araiza for The New York Times Supported by By John Liu and Jack Healy Reporting from Phoenix After Helen Wang finishes work at the new microchip plant looming over the Arizona desert ...

It's beginning to look a lot like Christmas at the Waterman Restoration Site on the western edge of Avra Valley, where ...

The highway leading west from Saudi Arabia’s capital city weaves through reddish dunes in the Ad-Dahna Desert, where ...

Waffle Forest is transforming the Arizona desert by growing 3,500 giant sequoias ... The sequoias will eventually create a unique ecosystem, attracting birds, animals, and other plants that will ...

The Mohave County Board of Supervisors voted unanimously to reverse an earlier decision to allow a power plant on a site near a residential area.