How Wolves Change Rivers


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.  Thanks to Jesslin of Oakville, Ontario for the suggestion.  

If you likes How Wolves Change Rivers, check out How Whales Change Climate: https://www.youtube.com/watch?v=M18Hx…

For more from George Monbiot, visit http://www.monbiot.com/ and for more on “rewilding” visit http://bit.ly/1hKGemK and/or check out George Monbiot’s book Feral: rewilding the land, the sea and human life: http://amzn.to/1fjgirx

NOTE: There are “elk” pictured in this video when the narrator is referring to “deer.” This is because the narrator is British and the British word for “elk” is “red deer” or “deer” for short. The scientific report this is based on refers to elk so we wanted to be accurate with the truth of the story.

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

The idea for this video came from Chris Agnos (http://sustainablehuman.com/), the founder of Sustainable Human. His brother, Steve Agnos, put this video together using footage from the credited sources. To see more videos from Steve Agnos, visit https://vimeo.com/steveagnos ~ it was made with love. Let’s build a better future. Peace.

Narration from TED: “For more wonder, rewild the world” by George Monbiot. Watch the full talk, here: http://bit.ly/N3m62h

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