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

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.

Video provided by Sustainable Man – http://sustainableman.org/
Feel free to donate here:http://sustainableman.org/donate
Read more at http://www.liveleak.com/view?i=91e_1392504581#z5pMC5Wz5VTlAjcf.99

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