How Wolves Change Rivers

How Wolves Change Rivers

Mar 06

wolves-400x400

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“When we try to pick out anything by itself, we find it hitched to everything else in the Universe.”

— John Muir

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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 in this movie remix.

To explore the world of sustainability, click here.

For more from George Monbiot, click here.

For more on “rewilding”, click here.

Narration from TED: “For more wonder, rewild the world” by George Monbiot (see below)

B-Roll Credits:

Greater Yellowstone Coalition – Wolves

Wolf Mountain

Primodial – Yellowstone

Timelapse: Yellowstone National Park

Yellowstone

Howling Wolves – Heulende Wölfe

Fooled by Nature: Beaver Dams

Music Credits:

Unfoldment, Revealment, Evolution, Exposition, Integration, Arson by Chris Zabriskie

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Wolves were once native to the US’ Yellowstone National Park — until hunting wiped them out. But when, in 1995, the wolves began to come back (thanks to an aggressive management program), something interesting happened: the rest of the park began to find a new, more healthful balance. In a bold thought experiment, George Monbiot imagines a wilder world in which humans work to restore the complex, lost natural food chains that once surrounded us.

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