The Arizona Department of Environmental Quality is launching a new research initiative that will bring together leading air quality experts to address rising ground-level ozone concentrations in ...

A combination of hotter and drier weather and more people living in places that naturally burn are making things complicated.

Salt River Project, with aid from corporate, government and nonprofit partners, is thinning Arizona forests to prevent ...

Willcox voters turned down a proposal to have the state government regulate the Willcox Groundwater Basin. However, the state ...

The Los Angeles wildfires are impacting sports games in the area. Here are the latest updates on postponements in the NFL, NHL, NBA and more.

Metro Phoenix and large swaths of the desert areas of Arizona were under a freeze warning ... The National Weather Service in Phoenix shared this map of the areas under freeze warnings Friday ...

Metro Phoenix and large swaths of the desert areas of Arizona were under a freeze warning through Sunday, the National Weather Service in Phoenix warned on Friday. The weather service later issued ...