Nature

Leave it to Beavers

Season 32 Episode 17 | 53m 09s

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.

Aired: 05/13/14 | Expires: 11/01/18

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