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View Diary: IPCC: 'Unequivocal' human-caused global warming on course to raise temperatures above 2°C by 2100 (77 comments)

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  •  As Joe Romm at Climate Progress has pointed... (15+ / 0-)

    ...out many times, the biggest problem with the assessments is that they are obsolete by the time they are published.

    They are also necessarily conservative since they are essentially a distillation or condensation or whatever you want to call it of the scientific literature that has been published on the various climate change issues since 2007. Because of one serious error in the 2007 assessment—the prediction of Himalayan glacier melt—it's been reported that there was overcompensation and the findings were bent toward an even more conservative outlook than they would have been this time.

    Given what we have seen over the past two decades, it will be no surprise to anybody if the predictions fail (again) to account for a clear acceleration toward or even past the worst-case scenarios. But those of us determined to at least ameliorate the damage climate change is going to do must be careful not to get ahead of the science ourselves. Doing so weakens our already tenuous political clout.

    Don't tell me what you believe, show me what you do and I will tell you what you believe.

    by Meteor Blades on Fri Sep 27, 2013 at 10:45:05 AM PDT

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    •  Science is necessarily conservative. (0+ / 0-)

      There is no end point to science. It is always skeptical and doubting of any claim. I'm queasy at scientists saying much of anything with loads of certainty. The whole point of science is to disprove falsity not arrive at truths.

      The first rule of government should be "Do no harm." The urge to act can frustrate the desire to help.

      by Common Cents on Fri Sep 27, 2013 at 05:48:55 PM PDT

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