The Dam Builders - S1.E5 - Eye on Life
The beaver builds a dam across a river: it changes the local environment, but it's small change compared to man. When he builds a dam, like the one at Kariba, the changes are monumental. The environment-ecological balance-is upset. Perhaps permanently by man's activities-only temporarily by the beaver. Can man continue to dam as the beaver does, without thought for the future? Or is more planning needed before major changes are initiated?
The Dam Builders - S1.E5 - Eye on Life
August 11, 1969
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