Environmental news with Alex Smith. Film-maker Mike Freedman says we've hit "Critical Mass" toward extinction by over-population. Notes on Occupy London. Bill McKibben: why everybody in the world needs to battle the Tar Sands. Council of Canadians founder Maude Barlow links dirty energy to dirty politics. Native leader Caleb Behn on his fracked land, poisoned lives, and linking up around the world. Radio Ecoshock 121120 Noon.
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