Unique Views of the World - How Wolves Change Rivers

Feb. 27, 2014

Video By Sustainable Man                             Wolves Photo Courtesty of Daily Galaxy

Published February 13, 2014

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 video remix.