Leave It to Beavers - Preview

Preview: Season 32 Episode 17 | 31s

A growing number of scientists, conservationists and grass-roots environmentalists now regard beavers as overlooked tools when it comes to reversing the disastrous effects of global warming and worldwide water shortages. Using their skills as natural builders and brilliant hydro-engineers, beavers can transform and revive landscapes.

Aired: 05/13/14

Rating: NR

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