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Drip. Drip. Drip. Another day, another blow to the credibility of the IPCC Nobel Peace Prize-winning report.  This time, a claim that global warming would soon lead to a terrible reduction in corn production in north Africa turns out to have been as specious as the Himalayan glacier melt by 2035 nonsense.  From the story:

A leading British government scientist has warned the United Nations’ climate panel to tackle its blunders or lose all credibility. Robert Watson, chief scientist at Defra, the environment ministry, who chaired the Intergovernmental Panel on Climate Change (IPCC) from 1997 to 2002, was speaking after more potential inaccuracies emerged in the IPCC’s 2007 benchmark report on global warming. The most important is a claim that global warming could cut rain-fed north African crop production by up to 50% by 2020, a remarkably short time for such a dramatic change. The claim has been quoted in speeches by Rajendra Pachauri, the IPCC chairman, and by Ban Ki-moon, the UN secretary-general. This weekend Professor Chris Field, the new lead author of the IPCC’s climate impacts team, told The Sunday Times that he could find nothing in the report to support the claim.

All of these hyped claims are badly undermining the IPCC’s credibility:
The African claims could be even more embarrassing for the IPCC because they appear not only in its report on climate change impacts but, unlike the glaciers claim, are also repeated in its Synthesis Report. This report is the IPCC’s most politically sensitive publication, distilling its most important science into a form accessible to politicians and policy makers. Its lead authors include Pachauri himself. In it he wrote: “By 2020, in some countries, yields from rain-fed agriculture could be reduced by up to 50%. Agricultural production, including access to food, in many African countries is projected to be severely compromised.” The same claims have since been cited in speeches to world leaders by Pachauri and [UN General Secretary] Ban.

Heads should roll (figuratively), starting with the startlingly immature Pashauri—who, as I mentioned in an earlier post, urged warming skeptics to rub their faces with asbestos for daring to doubt global warming hysteria. (Ouch! That hurts.)

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