ClimateWire: Two years ago, the home of the Kentucky Derby, Kentucky Fried Chicken and the Louisville Slugger received an unwelcome distinction: fastest-warming heat island in the United States.
Researchers at the Georgia Institute of Technology found that since the 1960s, urban Louisville, Ky., saw its temperature rise above that of its surroundings at a rate greater than any other city in the country and more than double the warming rate of the planet as a whole.
This trend puts Louisville on track to...