How Wolves Change Rivers poster
Movie20145 minReleased

How Wolves Change Rivers

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains.

Documentary
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Language
EN
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Sustainable Man
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5 min
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George Monbiot

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George Monbiot

George Monbiot

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George Monbiot

George Monbiot

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CZ

Chris Zabriskie

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How Wolves Change Rivers

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