[Junk] Scientists React to a Nobelist's Climate Thoughts - NYTimes.com

Matthew Huber, Purdue University:
...His know-nothing approach hearkens back to the pre-scientific era of the flat earth, vapors and phlogiston.

Our understanding of the climate system is still rudimentary but ultimately we know what the big knobs are that turn up the heat and those are the same knobs we are cranking on right now. We know this absolutely and have known at least since Arrhenius and he got the Nobel (in 1903)!
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Daniel Schrag, Harvard:

Indeed, if one takes David Archer’s calculations seriously (and we should), roughly 20 percent of the CO2 that comes from burning fossil fuel will be there tens of thousands of years from now, and so if we end up well above 400 parts per million for tens of thousands of years, there is much less doubt that Greenland will melt in its entirety and that Antarctica may well deglaciate as well. The idea that the climate system is so powerful that it is beyond human influence is simply incorrect….
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Martin Hoffert, New York University:
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If we fail, I can imagine a thousand years from now a small fragment of humankind barely surviving the new planetary climate huddled round a fire in some remote northern latitude observing the night sky, subsisting perhaps as hunter-gatherers on a vastly different and biologically depleted planet listening to a tale vaguely recalled in ancestral memory by the local shaman.