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Watch the newly released remastered version (in HD) ⟹ 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. 🌍 Visit the official website ⟹ 🌍 Like, subscribe, and sign up for notifications for more inspiring video stories 🌍 Support monthly us on Patreon ⟹ 🌍 One-time donation ⟹ Sustainable Human is a 501c3 non-profit whose mission is to examine the underlying stories that give rise to the environmental, social, and economic crises of our time and offer new stories that help humanity to live in harmony with each other and the biosphere. 🌍 Learn more ⟹ 🌍 Hire us to tell your story ⟹ 🌍 Sponsor a story ⟹ 🌍 Help us translate this video ⟹ FAIR USE NOTICE: This video may contain copyrighted material. Such material is made available for educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 . section 106A-117 of the US Copyright Law. TRANSCRIPT: One of the most exciting scientific findings of the past half century has been the discovery of widespread trophic cascades. A trophic cascade is an ecological process which starts at the top of the food chain and tumbles all the way down to the bottom. And the classic example is what happened in the Yellowstone National Park in the United States when wolves were reintroduced in 1995. Now, we – we all know that wolves kill various species of animals, but perhaps we’re slightly less aware that they give life to many others. Keep reading: #Transcript #TrophicCascades #Wolves #GeorgeMonbiot
