
You are mixing two different facts into the same statement.

1) The IPCC projection for sea level rise by 2100 of 40 cm, which at this point appears to be a conservative estimate based on recent peer reviewed papers examining the empirical data of actual sea level rise to date...
2) Gore's 7 meter scenario is what would happen if the entire Greenland ice sheet were to melt completely, and this will take several hundred years, at a minimum (hopefully)...
This is what really bothered me about Gore's movie. As much as it raised awareness for what is going on in the IPCC, he created so many straw-men for the GW deniers by not stating explicitly the time-frames for many of his assertions.
Keep fighting the good fight!Let me also point out a specific point about the IPCC reports that seems to be lost on people like SDW. The IPCC report is a conservative document by its very nature. It is a consensus report of hundreds of scientists, peer-reviewed by thousands of scientists, and whose conclusions were agreed to by a political body (the IPCC). The only way that you get 150 governments to agree to sign off on a report like the IPCC report is to be conservative about the conclusions. And as you mention, frank, when you look at the latest research, that conservative nature to the IPCC report is often seen.
SDW: what will actually happen in the next century will be worse than the worst-case scenario in the IPCC report. Scientists were shocked when the Larson B ice sheet broke up in 2002. We are in for much worse shocks than that.





To be true, the Theory of Evolution (natural selection and the transmutation of "species") that explains the fact of evolution (the observation that "species" change over time) is far more robust a theory than that human activity is the cause (the theory) of global warming (the fact).






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