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Monday, December 17, 2007

Rethinking Global Warming

This is off-topic for this blog, but I'd like to share some interesting developments.

  Working Group I (WG I) is assigned to report on the extent and possible causes of past climate change as well as future ‘projections’... The reports from working groups II and II .., since these are based on the results of WG I, it is crucially important that the WG I report stands up to close scrutiny. ...
  The numbers of scientist reviewers involved in WG I is actually less than a quarter of the whole, a little over 600 in total.
  A total of 308 reviewers commented on the SOR [Second Order Revision -- the final report assembly], but only 32 reviewers commented on more than three chapters and only five reviewers commented on all 11 chapters of the report. Only about half the reviewers commented [on] more than one chapter.
  An example of rampant misrepresentation of IPCC reports is the frequent assertion that ‘hundreds of IPCC scientists’ are known to support the following statement, arguably the most important of the WG I report, namely “Greenhouse gas forcing has very likely caused most of the observed global warming over the last 50 years.”
In total, only 62 scientists reviewed the chapter in which this statement appears, the critical chapter 9, “Understanding and Attributing Climate Change”. Of the comments received from the 62 reviewers of this critical chapter, almost 60% of them were rejected by IPCC editors. And of the 62 expert reviewers of this chapter, 55 had serious vested interest, leaving only seven expert reviewers who appear impartial.

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