Mar 27, 2014-- When wolves were reintroduced to Yellowstone National Park in the United States after being absent for nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? British environmental journalist George Monbiot explains in this video remix by Sustainable Man. (12599 reads)
Read Full Story
Search by keyword:
Courage is grace under pressure.
Subscribe to DailyGood
We've sent daily emails for over 16 years, without any ads. Join a community of 159,789 by entering your email below.