Support WBURWhen Heat Kills: Global Warming As Public Health ThreatPlay05:24Download AudioRichard HarrisSeptember 10, 2012 ShareCook County morgue workers walk between a row of refrigerated trucks outside the morgue in July 1995, when a deadly heat wave struck Chicago. (AP)
Cook County morgue workers walk between a row of refrigerated trucks outside the morgue in July 1995, when a deadly heat wave struck Chicago. (AP)