Extreme heat is particularly hard on older adults – an aging population and climate change put ever more people at risk
Without home cooling, Phoenix’s weeks with temperatures over 110 F in July 2023 became dangerous. Brandon Bell/Getty Images Scorching temperatures have put millions of Americans in danger this summer, with heat extremes stretching from coast to coast in the Southern U.S. Phoenix hit 110 degrees Fahrenheit (43.3 Celsius) or higher every day for over three weeks in July. Other major cities, from Las Vegas to Miami, experienced relentless high temperatures, which residents described as “hell on earth.” While the evening news runs footage of miserable sunbathers on Miami Beach and joggers in Austin, Texas, dousing themselves with water, these images