Visit http://sustainableman.org/ to explore the world of sustainability. For more from George Monbiot, visit http://www.monbiot.com/ and for more on "rewilding" visit http://bit.ly/1hKGemK "When we try to pick out anything by itself, we find it hitched to everything else in the Universe."

Trophic Cascade - How Wolves Change Rivers

Ryan Nance February 18, 2014

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

— John Muir

Wolves were reintroduced to Yellowstone National Park after 70 years, a "trophic cascade" happened.

This video from Sustainable Man accompanies narration from George Monbiot's TED Talk: "For more wonder, rewild the world" Watch the full talk.