Poor swelter as urban areas of U.S. Southwest get hotter

Acres of asphalt parking lots, unshaded roads, dense apartment complexes and neighborhoods with few parks have taken their toll on the poor. As climate change accelerates, low-income districts in the Southwestern United States are 4 to 7 degrees hotter in Fahrenheit—on average—than wealthy neighborhoods in the same metro regions, University of California, Davis, researchers have found in a new analysis.