Film

How Wolves Change Rivers

2014Directed by George Monbiot

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Released: March 21, 2014
Runtime: 5m

About How Wolves Change Rivers

Documentary

Synopsis

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

Principal cast

In billing order

George MonbiotNarrator

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