'It's unbearable': in ever-hotter US cities, air conditioning is no longer enough

The last few years of record-breaking temperatures are shattering the myth that air conditioning alone will keep people safeGloria Gellot, 79, takes a careful seat in a kitchen chair in front of her only air conditioning unit, massaging her knees. She's hung a sheet in the doorway to keep the cool air in the kitchen, and drawn shades to keep the sun - already blazing in May - out of her second-floor New Orleans apartment. Her home was badly damaged by Hurricane Ida in 2021, and heat leeches in through the gutted walls."All the heat's up here," she says. "I don't have to go out in the sun. I get a suntan inside." Continue reading...