How Wolves Change Rivers

Name: How Wolves Change Rivers
Genre: Documentary
Released: 2014-03-21
Duration: 5 min

5m·Documentary

Directed by George Monbiot·2014

Rate

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.

DirectorGeorge MonbiotStudioSustainable Man

Actor	Role
George MonbiotNarrator	Narrator