How Wolves Change Rivers

Support the creation of more videos like this: 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. Sustainable Human is a 501c3 non-profit started by a husband and wife team (Chris and Dawn Agnos) whose mission is to examine the underlying stori