Climate Crisis Coalition
Major Cities Planting More Trees to Beat the Heat
By Diane Dietz, The Eugene Register Guard, July 10, 2007
“When you head out into the 100-degree blast furnace of a day today, remember that trees may be your best friends… Major U.S. cities have felt the heat and are launching aggressive tree-planting efforts to bring temperatures down. Los Angeles, for instance, aims to plant 1 million trees over the next three decades. Chicago is up to 500,000 trees over the past two decades, and the shoveling continues apace. Chicago officials produced a map of temperatures at discrete points across the city, and the city is working to green all the hot spots with cool, leafy trees… Studies have demonstrated the cooling power of trees… The difference between a hot, bare parking lot and a wooded area is 10 to 15 degrees. City-scale studies have shown a nine-degree difference between less-vegetated urban centers and leafy suburban neighborhoods.”
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