Welcome to the Age of Climate Migration
(WorldNews Music)

Sean McCabe for Rolling Stone Hurricane Harvey, which hit Texas and Louisiana last August, causing $125 billion in damage, dumped more water out of the sky than any storm in U.S. history. By one calculation, roughly a million gallons fell for every person in Texas. The water rained down on a flat former bayou that had become a concrete and asphalt empire of more than 2.3 million people. Highways turned into rivers and shopping malls into lakes. As the water rose, people scrambled for safe refuge – into attics, onto rooftops and overpasses. A Texas game warden captured a nine-foot-long alligator in the dining room of a home near Lake Houston. Snakes swam into kitchens. A hawk flew into...