On the border of New Mexico and Southern Arizona, travelers along Interstate 10 can explore a mountaintop oasis in the middle ...

A state agency dedicated to finding long-term water solutions in Arizona is nearing a decision on six water importation ...

University of Arizona researchers are looking for ways to protect the state’s water future, including plans to treat and ...

For the next 20 years, the path to continued subdivision growth on the edges of Tucson and Phoenix now appears to be clear. It gets murky after ...

The “Frida’s Garden” exhibit is a new permanent exhibition at the Tucson Botanical Gardens on October 8, 2025. It opens to the public on October 11. Frida’s Garden showcases the vibrant and colorful ...

Arizona's Governor Katie Hobbs celebrates a historic water milestone with EPCOR's first ADAWS for sustainable development.

The federal government ceded control to Arizona of "injection wells," a technology important in water management, mining and carbon capture. State environmental authorities will now take charge of the ...

PHOENIX — Arizona will continue to see an 18% reduction of its Colorado River water allocation next year, as decided by the U.S. Bureau of Reclamation. The level of future potential cuts is uncertain ...

In a future defined by climate change and its consequences, some experts say Arizona will need copper mines for the wires in solar panels, desalination plants for reclaiming salty groundwater, and ...

PHOENIX — As southwestern states struggle to reach a new Colorado River agreement, a different kind of drought is affecting the negotiations, a drought of federal leadership. More than 150 Trump ...

PHOENIX — The city of Phoenix has plans to build three plants where recycled water will be purified to create a sustainable source of drinking water. The advanced water purification (AWP) facilities ...

Farmers in the San Carlos Irrigation and Drainage District may have fewer options for crops as the reservoir that stores water for them empties. The San Carlos Reservoir held less than 8,700 acre-feet ...