What are the health implications of global warming in urban areas? This program examines the medical repercussions of environmental change and crisis in Canada. Environmental and disaster relief experts, such as Steven King of Sustainable Environment Management and John Saunders of the Red Cross, discuss the risks, including heat stroke and water-borne diseases, associated with rising temperatures and severe weather in Toronto and Halifax. Then, the impact that rising sea levels could have on Vancouver and accompanying health threats are explained by engineers and landscape architects, like Robert Gonzales, a local director of engineering and public works. Original CBC broadcast title: Climate Change II: Hot Times in the City. (44 minutes)