Municipal water departments in the Colorado River basin are entering a time of change. Their infrastructure is aging and needs replacement, and they’re starting to invest in new systems that will help cities adapt to a future with a smaller water supply. But, that means big spending and costs that will get passed along to the millions of people who use that water in sinks, showers and sprinklers.

The community meetings on Oct. 30 and Nov. 2 will cover ongoing flood control projects, models of what’s next for flood-prone areas and winter preparations.

Wildlife officials say antibodies found in early results of a historic new vaccine trial are expected to give endangered California condors at least partial protection from the deadliest strain of avian influenza in U.S. history.

Phoenix and the Arizona Department of Forestry and Fire Management are planning a controlled burn Oct. 17 at the Tres Rios Wetlands in southwestern Phoenix.

Derek Kellogg, director of animal care at Butterfly Wonderland in Scottsdale, is concerned that “large and spectacular migrations” of butterflies are under threat from climate change.

Salt River Project recently outlined its goals for energy production and sustainability goals through 2035, but conservation groups criticized the utility for its lack of commitment to renewable energy.

Hallie Mahowald is chief programs officer for Western Landowners Alliance, which was one of the groups behind the research. She spoke with The Show about some of the key takeaways from the survey.

As the Valley’s hottest summer slowly winds down, Arizonans might think they are getting a taste of what a hotter climate might look like in the future. But the cause of the heat wave was more complicated than that.

The Classic Maya who lived in Central America more than 1,100 years ago relied on reservoirs to survive their five-month dry season and sporadic droughts. But how did they keep their water clean? The answer could hint at ways to improve water quality and availably under climate change.