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View Diary: Understanding the real danger of CO2 levels to Earth and life. (102 comments)

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  •  eh the only problem with that metaphor (1+ / 0-)
    Recommended by:
    Andrew F Cockburn

    is given their limited technology they were stuck, for better or worse I am not so sure humanity is so limited any more.

    That's not to say that I particularly want to live in an earth of the worst of the worst case where in we live in bubbles and flowers are only a memory

    •  Limits of Technology? (3+ / 0-)

      A truly massive collapse of society, a la the Dark Ages may be the end of humanity as we have known it.

      Just to extract the mineral resources to maintain our present level of technology requires a level of technology far beyond what the industrial revolution had available.

      Where are the surface and near surface fossil fuel reserves. Not to mention petrochemicals.

      •  Our Paleolithic ancestors lived in a biologically (1+ / 0-)
        Recommended by:
        radical simplicity

        rich world, and the Neolithic enjoyed a long stable climate.

        Climate change and human habitat conversion will leave the biosphere depauperate for any humans left after a collapse, and the climate will not return to conditions benign for global agriculture for at least many millennia. So we cannot go back to where we came from, and because of the loss of infrastructure we will not be able to go forward into the kind of technological future sci-fi portrays.

        That sounds like a recipe for human extinction to me.

        •  who says we can't go back? (0+ / 0-)

          there's nothing in theory at least thats says that just as we created this we can uncreate it.

          •  Conservation biology does (0+ / 0-)

            And no, I won't give you a course in it in a series of posts.

            Start here.

            •  that's not really on point here (0+ / 0-)

              and more over while I would wish overwise the fact is that again in theory extinct species could be recovered.

              However I am talking about removing the very green house gases we've pumped into the atmosphere. There's some very interesting and exciting research going into the topic right now and again in theory removing those factors would revert the climate back to 'normal'

              Let me caveat that with saying I really have no wish to have to rely on that but to say that we're doomed ignores that the very thing that lead us to this could lead us out.

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