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You may not have noticed but this week’s UN report on global climate change based its estimate of a 1- to 2-foot rise in sea levels over the next 100 years on computer modeling which took into account only the volumetric increase in sea water as it warms. The estimate for sea level rise did not include melting glaciers and icecaps. While this was duly noted in most of the coverage I saw, it was often buried. The WSJ has a piece today on how much more dire the effects of climate change may be if you consider melting ice and increased cloud cover, neither of which factors the current computer models handle very well.

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David Kurtz is Managing Editor and Washington Bureau Chief of Talking Points Memo where he oversees the news operations of TPM and its sister sites.
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