yellowstone

Read More

how the wolves saved yellowstone: a lesson in keystone species

A lesson in keystone species and biodiversity. When wolves are reintroduced to Yellowstone, incredible changes occur.

Posted: January 5 2017
Read More

video: 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.

Posted: March 17 2016