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\nHow America's hottest city is trying to cool down\n

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\nCan trees help save Phoenix from extreme heat? Subscribe and turn on notifications 🔔 so you don't miss any videos It’s time to stop looking at trees as a form of “beautification.” They are, instead, a living form of infrastructure,...\nCan trees help save Phoenix from extreme heat? Subscribe and turn on notifications 🔔 so you don't miss any videos It’s 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 that’s drawn from the soil. And, 3) If you’re standing under one, a tree protects your body directly from the sun’s rays. If you’ve ever made a summer visit to a dry, hot city like Phoenix, you’ll know how important shade is for making any outdoor experiences tolerable. As Phoenix deals with a rising frequency of extreme heat waves — which aren’t only deadly, but also cause worrisome spikes in energy demand — the city is looking to trees as part of its heat mitigation strategy. Phoenix isn’t devoid of trees, but they’re distributed unevenly across the city. A quick glance at a satellite image of the metro area reveals substantial green splotches in the north and east and brown ones in the south and west, where many lower-income neighborhoods are located. So Phoenix recently pledged to reach “tree equity” by 2030, under an agreement with American Forests, a national tree organization. I visited Phoenix recently to take a look at the current state of the city’s urban forest. In this video, we use drone imagery and thermal cameras to understand how the urban design of the city contributes to extreme heat, and what it can do to cool down. Further reading: Tree Equity Score Tool by American Forests Assessment of heat mitigation strategies in Phoenix by Arizona State University Urban Heat Implications from Parking, Roads, and Cars “Phoenix pledges tree equity for all neighborhoods by 2030” by KJZZ Phoenix Draft Climate Action Plan Phoenix tree bank “50 Grades of Shade” by Ariane Middel “A New Investigation About Who’s Getting Sick From Heat-Related Illness Should Be a Wakeup Call for America” by Mother Jones “As rising heat bakes US cities, the poor often feel it most” by NPR “Can trees really cool our cities down?” by The Conversation “Trees are key to fighting urban heat, but cities keep losing them” by NPR Watch our full video catalog Follow Vox on Facebook Or Twitter\n
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Resource Details

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Educator Rating
Not yet Rated
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Grade
9th - 11th
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Subjects
All Subjects
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Media Type
Instructional Videos
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Source:
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Date
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2021
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Audiences
For Teacher Use
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