Arizona’s water is drying up. That’s not stopping the data center rush.

It’s no secret that Arizona is worried about its water. The Colorado River is drying up, in part due to climate change, and groundwater aquifers are running dry. Some of the state’s biggest industries are suffering as a result: Many farmers have been forced to rip up their cotton and alfalfa fields, and some home developers have been blocked from building new subdivisions.

A state with hydrologic woes of this magnitude would seem an unlikely place to attract new factory-scale industries...