The head of Arizona's utility-regulatory commission said natural gas will be needed to meet heightened demand before ...

Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

More than 1 million people could pour into western Maricopa County in the coming decades – if housing developers can secure ...

Restrictions for Jan. 31 to Feb. 3 will occur along eastbound I-10, SR 143 and Loops 101 and 202, according to ADOT.