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Publisher's Summary

Lee R. Kump, a professor of geosciences at Pennsylvania State University, reports on alarming evidence from the past and how it may not be too late to avoid the calamity that awaits us.

This article was published in the July 2011 edition of Scientific American.

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  • ©2011 Scientific American

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    • SOUTH ORANGE, NJ, United States
    • 12-01-11

    Better Build An Ark

    I don't know why I continue to follow the global warming story. It just depresses me. This new science looks back at a previous time the planet warmed up and concludes that we're pumping carbon into the atmosphere many times faster then ever happened before.