Arizona is home to two types of Saguaro cacti ... concealed wireless structure,” Schmidt said. That list includes water towers, clock towers, crosses for churches, even mine shafts — these ...

Arizona's water management policies have led to significant groundwater gains in Central Arizona, saving 10.5 cubic kilometers of groundwater from 1989 to 2019.

Water evaporation is usually the most efficient way to do this job. “For example, in many data centers in Arizona they’re just using cooling towers that is evaporating water 24/7 to move the ...

California, Arizona and Nevada are urging the Trump administration to change the federal government’s approach to Colorado River water shortages. The three states say new rules should include ...