Extinction rate increased 1000 times during human era

Blue and Green: The extinction rate of species around the world is now 1,000 times higher than it was before humans arrived on the scene, a new study has found. The shocking report, published in the journal Conservation Biology, estimates the pre-human extinction to be 10 times lower than scientists previously thought, making mankind’s devastating impact all the more pronounced. "We`ve known for 20 years that current rates of species extinctions are exceptionally high," said co-author Stuart Pimm, of Duke......

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