New research suggests that in the next 30 years, about a third of people in the U.S. will be living in areas that are dangerously hot, with temperatures reaching 125 F. That's about 107 million people nationwide, up from about 8 million who experience those extreme hot temperatures now.
For more, KCBS Radio news anchor Holly Quan spoke with Jeremy Porter, Chief research officer at the First Street Foundation, a non-profit that works to better understand climate risk in America's neighborhoods.