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View Diary: The Real SOTU: The White House Subverting the Rule of Law (36 comments)

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  •  Human caused geologic change (2+ / 0-)
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    lostinamerica, joanneleon

    The most shocking diary up right now to me is the effect on the Gulf Stream.

    Geologists are not wild people - rocks and all that. But they are proposing a name for a new epoch where the earth's geology has been changed by humans.

    At the annual meeting of the American Geophysical Union this week, geologists are grappling with how to define the boundaries of that human-centered geologic era, referred to as the Anthropocene. Despite our dramatic impact on the planet, defining our era has proven a difficult task.
    "If it's to be a geological period, it has to be visible in the geological record," said Anthony Brown, a researcher at the University of Southampton in the United Kingdom, who is trying to define the boundary.

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