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Climate change and habitat encroachment is causing plant and animal species to become extinct 1,000 times faster than before humans arrived, say researchers. (SERGEI SUPINSKY/AFP/Getty Images)

Study: World On The Brink Of A ‘Sixth Great Extinction’

Climate change and habitat encroachment is causing plant and animal species to become extinct 1,000 times faster than before humans arrived, say researchers.

05/29/2014

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