Arizona’s water troubles show how climate change is reshaping the West

It was not a satellite but an airplane, however, that was on Famiglietti’s mind as he picked up his wife at the airport earlier this year: a charter flight of people arriving in Phoenix as part of a major expansion of Taiwan Semiconductor Manufacturing Co., one of Arizona’s premier economic development jewels. This symbol of Arizona’s future brought home the stakes of this moment. “I’m incredibly concerned,” said Famiglietti, an Arizona State University professor who is leading a multiyear effort to assess the water supply the state has above and...