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.
Género: Documental
Actores: George Monbiot
Director: George Monbiot
País: United States, United Kingdom
