Calls for all heat-related emergencies have increased, with temperatures of 110 degrees or higher in the Valley since July began.

The proposed Vulcan Solar Project, located in western Maricopa County, is one of several renewable energy facilities under way in the area and would produce more than 1,000 megawatts of electricity.

City officials in Tucson are promoting a program that teaches residents how to install water-saving systems in their homes in exchange for rebates from the city.

Scottsdale says it’s the first Arizona city to mandate the 2021 edition of the International Energy Construction Code and the International Green Construction Code. The standards apply to all new commercial and multifamily developments.

The idea of bringing water to Arizona from a desalination plant in neighboring Sonora has been around for years — as have critiques of such a scheme. But Sonora’s governor says neither state nor federal leaders are on-board with current proposals.

Governor Katie Hobbs and Phoenix Mayor Kate Gallego spoke at a press conference June 21 highlighting eco-friendly business growth in Arizona.

The Arizona Corporation Commission has approved a permit that will allow a project to expand a natural gas plant near Coolidge to proceed.

Last month, experts did a survey in Mexico’s Upper Gulf of California to gather data to estimate the remaining number of endangered vaquita porpoises there. Vaquita marina are small, cute porpoises with black markings around their eyes and mouths. They are considered the world's most endangered marine mammal.

Several major homeowner’s insurance companies have effectively pulled out of California citing “rapidly growing catastrophe exposure” as their reasoning. What does this mean for Arizona — especially as wildfire season begins?