As Temps Rise, Cities Combat ‘Heat Island’ Effect : NPR 0 Randall Gross US NewsSeptember 2012Tuesday, September 4, 2012 at 4:15 am PDT • Views: 935 npr.org Allergies Asthma Atlanta Heating High-Temperature Records Huge Green Space Urban Blocks Urban Heat Wave Urban Temperatures Warming Planet Unexpected Role High Temperatures United States Urban Climate Lab