Your hosts Lynn Terry, and Marc
ListenClimate change and the warming of the Arctic is having a number of effects on the ecosystem.
One is that polar bears which must have sea ice to hunt and survive, are now being forced to swim long distances, often more than 50 kilometres to find the ice.
Some older and younger bears perish on the quest, and even for healthy adults, the swim uses up vital energy reserves
Marc spoke to University of Alberta researcher and Arctic specialist, Andrew Derocher about the rapid changes taking place in the Beaufort Sea
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It’s a giant clock, or at least an image of the clock which will be projected onto the side of a Montreal university wall.
But it’s not just an ordinary clock, it instead is a countdown clock, counting down the time to when it is expected the Earth’s atmosphere and global temperature will have reached two degrees Celsius above pre-industrial averages
That’s the point at which it is expected to be a “tipping point” after which extremely serious and possibly irreversible climatic change and environmental collapse may begin.
Lynn spoke to Concordia University professor . Damon Matthews, one of the people behind the idea.
Former Senator Hugh Segal was a major figure on Canada’s political scene, having been involved in a number of special committees and investigations.
He is also an author. His latest book is called Two Freedoms: Canada’s Global Future’,
When Carmel Kilkenny spoke to him she began by asking if he wrote the book because he was disappointed in Canada’s current foreign policy direction.
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