How Wolves Change Rivers poster

How Wolves Change Rivers

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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.

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Status
Released
Budget
—
Box office
—
Language
English

Top billed cast

Behind the camera

Produced in

United States of America, United Kingdom

Videos

Release dates

  • CanadaCA

    • Premiere21 Mar 2014

Frequently asked questions

How Wolves Change Rivers was released on 21 March 2014.

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