Sustainability

Three Arizona military bases now being tested for water contamination

WASHINGTON - The Air Force will begin testing the groundwater at Davis-Monthan Air Force Base for contamination from dangerous chemicals in firefighting foam that was used at the base, according to the U.S. Air Force Civil Engineer Center.

EPA scraps Clean Power Plan, but utilities still vow lower emissions

WASHINGTON - Arizona utilities and regulators said they plan to continue working toward the lower carbon emission goals that had been set in the EPA's Clean Power Plan, even though federal officials said this week that they are scrapping the program.