A City of Phoenix Street Transportation Department crew sprays light-colored pavement over blacktop on a street in the Garfield District of Phoenix on Aug. 11, 2020. A team from Arizona State University is working with the city of Phoenix on a pilot program studying the use of "cool pavement" to reduce heat island effect, a phenomenon that raises temperatures in urban areas covered by asphalt and concrete. (City of Phoenix via AP)
Featured Photo Galleries
