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From the top of the food chain down: Rewilding our world - George Monbiot

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Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem reacts to the loss. How can we stay in balance? George Monbiot suggests rewilding: putting wolves, lions and other predators back on top -- with surprising results.

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The "keystone species" which has reshaped the ecology of much of the Yellowstone National Park, creating habitats for many other animals, is:

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator George Monbiot
  • Director Avi Ofer
  • Narrator George Monbiot

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