How the Fastest-Warming City in the Country Is Cooling Off

Although residents turn up their air conditioners, Louisville heat is increasing the city’s death rate by 39 people every year. The city mayor launched a tree commission for planting more trees and since 2011 has planted over 12,000 trees. The canopies from the tree offer cooling shade and bring down the temperature of the city as a whole. The response also includes the installation of green roofs and in-depth research on urban heat islands.

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