Across the southeastern United States, Hurricane Helene destroyed houses, swept up cars and overflowed riverbanks. Now millions of people are without power and clean drinking water; more than 100 people are dead. “It's not really an overstatement to say there are towns that were there and are basically not there anymore,” environment and climate reporter Brady Dennis said. He’s been reporting from North Carolina, where many communities were not prepared for the disaster. On today’s show, Dennis describes the widespread destruction and relief efforts to host Elahe Izadi.Today’s show was produced by Elana Gordon, with help from Sabby Robinson. It was mixed by Sean Carter and edited by Reena Flores, with help from Ariel Plotnick. Thanks to Scott Dance, Paulina Firozi and Katie Zezima.Subscribe to The Washington Post here.