Everything Is Connected...

Thomas Barwick/Getty Images

Thomas Barwick/Getty Images

In this hour, TED speakers explain how everything in nature is connected, and how we can restore its delicate balance.

Wolves were native to the Yellowstone National Park until hunting wiped them out. In 1995, when the wolves began to come back, something interesting happened: The rest of the park began to find a new, more healthful balance.

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shan palmer