Orange County commissioners sided with the environment Tuesday by unanimously rejecting the proposed Tuscana development and ...

Expanding parking, building a small gondola and a pedestrian bridge from parking lots over U.S. 6 to the base area, and ...

Gov. Hobbs urges water cuts for upper basin states during a Colorado River tour and considers legal action if Arizona's share ...

The Guadalupe-Blanco River Authority says its water supply project can help meet growing demand from the Hill Country to the Gulf Coast.

As the Mid-Barataria Sediment Diversion flounders amid politics, some scientists say that doubts about its effectiveness can ...

Arizona has taken the largest hit from Colorado River water shortages, and will take more, but Gov. Katie Hobbs said other ...