Monday, October 13, 2014

The world is complicated!

When you change one thing, others change in response. You may not realize what the overall impact of your action will be.

 When they killed off the wolves of Yellowstone, they did not realize that they were changing the ecology of the National Park -- something that the nation had decided must not be changed. Fortunately, restoring wolves to the park is helping to restore the ecology.

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