In 1996 US entrepreneur and explorer Gary Comer took his small boat through the Northwest Passage in 19 days, a route that had once been ice, but was now easily navigated open water. This radio broadcast weighs up the extent and implications of the imminent Arctic ice breakup. The broadcast discusses the Historical Limit line in Greenland, which denotes glacier recession; Inuit observations of climate changes that are challenging their culture; the acceleration of global warming on Arctic sea ice; the problems increased Arctic shipping and melting permafrost are creating for infrastructure; the long-term outlook for global sea levels; and the possibility for the complete melting of Greenland. The broadcast is 28 minutes and 11 seconds in length.
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