MovieDocumentary
How Wolves Change Rivers
20140h 5m
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.
- Director
- George Monbiot
- Writers
- George Monbiot
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