Film
How Wolves Change Rivers
United States · United Kingdom- Director
- George Monbiot
- Year
- 2014
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.
Top cast
Directed by
George Monbiot
Written by
George Monbiot