In a move that may soon be replicated elsewhere, the Gila River Indian Community recently signed an agreement with the U.S. Army Corps of Engineers to put solar panels over a stretch of irrigation canal on their land south of Phoenix.

The fifth National Climate Assessment shows how human-caused climate change will continue to shrink the Colorado River. The report says annual snow totals will decrease 24% by the year 2050. It also warns that the nation’s groundwater is at risk.

Tucson’s water supply is partially reliant on the massive underground aquifer below it. But that aquifer has been under threat because of various contaminants that have seeped in. Now the city is getting federal funding to help.

In the West, ongoing drought and drier future are forcing us all to think about how we use water differently. One farmer up in northern Arizona is using ancient practices to grow food.

A wind energy project that dates back to the Obama administration is on hold now along a roughly 50-mile stretch in southern Arizona where a group of tribes and local communities oppose it.

Gov. Katie Hobbs is spicing up her water policy council with the appointment of a chile farmer, following the withdrawal of former members who accused the council of failing to consider agricultural interests.

Desert cities around Phoenix are constantly facing questions of water supply — not just at water management agencies but also at city councils considering where to develop. That's because Arizona has one of the most powerful laws in the country linking water with the decision to build.

The Show spoke with the Arizona Republic's digital opinions editor Joanna Allhands and editorial page editor Elvia Díaz about a new "proposed roadmap for transforming recycled water into safe, reliable purified water."

More Arizona cities are planning for a future in which Colorado River water is much scarcer. Peoria has announced plans to build five new wells and a new pump station to bolster the city’s water supply.