Arizona lawmakers want to outlaw the spraying of chemicals into the atmosphere to reduce heat. The practice known as ...

The result is less runoff to support the Colorado River, which supplies about 36% of Arizona’s water. Arizona has the second largest allocation of Colorado River water, but it receives the ...

For decades, key stewards of the river have ignored the massive water loss, instead allocating Arizona, California, Nevada, and Mexico their share of the river without subtracting what’s evaporated.

Arizona’s top water bureaucrat, Tom Buschatzke, attempted to justify his agency’s illegal rule that has shut down new home construction in some of Maricopa County’s fastest-growing and most ...

Picture a set of freight cars, hauling water across the U.S. from Kentucky to Arizona. Or think of a set of 100 "desalination stations" sprawling across Arizona, pumping out and then removing the ...

PHOENIX (AZFamily) — The mountains east of Roosevelt Lake, known as the Sierra Anchas, are home to more than one dozen uranium mines, which operated in the 1950s and 1960s. Today, those mines ...

Arizona's monsoon season is a much-anticipated ... temperature at which air must be cooled to become saturated with water vapor, resulting in cloud formation. This natural phenomenon is essential ...