Extreme heat poses a unique challenge to cities in the United States. According to the National Weather Service, extreme heat accounts for 20 percent of deaths by natural hazard in the United States, taking an average of 130 lives per year.
Extreme heat poses a unique challenge to cities in the United States. According to the National Weather Service, extreme heat accounts for 20 percent of deaths by natural hazard in the United States, taking an average of 130 lives per year.