W5: What happens when the permafrost thaws?
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- Опубліковано 10 лис 2017
- Almost half of Canada sits on permanently frozen land called permafrost, but climate change is causing it to thaw and erode rapidly. W5's Avery Haines investigates a looming ecological disaster that poses a threat to the entire world.
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W5 is Canada’s most-watched investigative, current affairs and documentary program. Tackling major stories and investigations W5 is in its 51st season.
