George Monbiot
Narrator
Overview
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.
Cast
Full Plot (Spoilers)
AI-generated full plot summary Loading…
Movies
Similar Movies
Related titles ranked by rating and popularity.
No similar movies found
Check back later for new content