American Prairie: Restoring bison to northern Montana with a patchwork nature reserve | 60 Minutes
14:16
Return of the American Bison
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The wolves of Yellowstone | 60 Minutes Archive
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Inside Africa's Food Forest Mega-Project
13:50
Not enough water to go around: Colorado River Basin, ravaged by drought, plans for a drier future
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Buying 3,000,000 Acres for BUFFALO?
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The maverick outback grazier using donkeys to regenerate his land | Australian Story
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Living alongside polar bears in the Canadian Arctic - BBC World Service
53:20