Carbon emissions are rising, and scientists are worried that we aren’t adapting fast enough to avoid the catastrophic effects of climate change. A device that looks like a 10-foot beer keg could help.

Utility customers sent new members to Salt River Project’s governing bodies in elections Tuesday.

The Biden administration is working with states and cities across the country to try to boost the energy efficiency of buildings. In addition, there’s money in the bipartisan infrastructure law to help in this effort.

Record high temperatures in the Valley this weekend will be met with an abrupt shift in weather patterns early next week.

The chairwoman of the Colorado River Indian Tribes is in Washington, D.C., this week to testify for a bill that would allow her tribe to lease its water to other parts of Arizona.

An important Colorado River reservoir has fallen below a level that federal water managers were trying to maintain for hydropower generation.

One of the big challenges to a carbon-free grid will be to replace gas vehicles with electric. The Phoenix Zoo has built some necessary infrastructure to help with that transition. A recent study at Arizona State University found that building a clean energy grid will require a lot of charging stations.

Phoenix leaders recently voted to allow electric bikes on all city streets and agreed to extend a downtown pilot program for electric scooters. Razor and Spin will continue to rent e-scooters downtown for another year.

The effects of extreme heat on physical illness and death are well-known. But most studies of its mental health effects are far more limited and regional. New research takes a wider view.