“Our cities are being cooked by urban heat islands that turn up the temperature for people who live in oven-like areas dominated by pavement and lacking trees, parks, and other natural cooling features.” — By Jad Daley, American Forests’ President and CEO When it recently hit 105 degrees Fahrenheit in Seattle, an all-time record for this famously cool city, we effectively entered a new era of extreme heat, with serious implications. How serious? Recent research led by Duke University estimates heat already causes 12,000…