How Wolves Change Rivers
2014 · 5 min · Documentary
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
- Writer
- George Monbiot
- Released
- March 21, 2014
- Language
- English
Cast
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