In nearly every major city in the U.S., people of color are exposed to more extreme urban heat than white people, a new study found. Using government temperature and census data, researchers examined the distribution of heat islands – parts of cities with higher average temperatures than the surrounding areas. The study, published Tuesday, found that during the summer of 2017 in nearly all large urban areas, the average non-white person lived in a census tract with higher heat island intensity. Glenn Sheriff, a co-author of the study and environmental economics professor at Arizona State University, was surprised to find...