How Americas hottest city is trying to cool down

Can trees help save Phoenix from extreme heat Subscribe and turn on notifications so you don t miss any videos: Its time to stop looking at trees as a form of beautification. They are, instead, a living form of infrastructure, providing a variety of services that include stormwater management, air filtering, carbon sequestration, and, most importantly for a city like Phoenix, Arizona, they cool the environment around them. Trees can lower neighborhood temperatures in three ways: 1) Their shade prevents solar radiation from hitting paved surfaces like concrete and asphalt, which absorb energy and rerelease it into the air as heat. 2) Their leaves pull heat from the immediate area in order to evapotranspirate water thats drawn from the soil. And, 3) If youre standing under one, a tree protects your body directly from the suns rays. If youve ever made a summer visit to a dry, hot city like Phoenix, youll know how important shade is for