Out in the Avra Valley, about 30 miles northwest of Tucson, a wide swath of water pours down a fenced-off canal about 80 feet wide.
Tony Davis
Reporter
About
Tony graduated from Northwestern University and started at the Star in 1997. He has mostly covered environmental stories since 2005, focusing on water supplies, climate change, the Rosemont Mine and the endangered jaguar.
Arizona is gearing up for a potential legal battle over Colorado River water, hiring a high-powered law firm with Supreme Court experience. As drought worsens and negotiations stall, officials warn a court fight over shrinking water supplies may be next.
A food control project in the Santa Cruz River to keep the flow of treated wastewater from crossing into Pinal County will allow it to be used for local needs and raise money.
As the temperature keeps heating up, the Colorado River's expected spring-summer flows into Lake Powell keep declining.
Major cuts in Colorado River water use will likely be needed next year in Arizona and other Western states, several experts say.
Arizona will take nearly a $3 trillion total economic hit and lose millions of jobs that would have come to the state by 2060 if Central Arizo…
Tucson averaged 59.3 degrees from December 2025 through February 2026 — the National Weather Service's definition of winter for record-keeping purposes. That's 5 degrees above the normal wintertime average temperature here, the weather service says.
A new Central Arizona Project video sends a dire warning about potential cuts to water supplies, but some water experts say it's too alarmist.
Gov. Katie Hobbs won't intervene to block a planned state land sale in the Santa Rita Mountains that likely will open up 160 acres for tailing…