S32 Ep17: Leave it to Beavers

Aired: 5/14/2014 | 0:53:09 | Expires: 5/13/2021 | Episode
The beaver, more than any other animal, is responsible for creating fertile landscapes across North America, but it hasn’t gotten much recognition for that accomplishment until now. A growing number of scientists, conservationists and grass-roots environmentalists have come to regard beavers as overlooked tools in reversing the effects of global warming and world-wide water shortages.

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