Submitted by Dr. Clive Best
The first IPCC report in 1990 chaired by Prof. Houghton made a prediction for a rise in global temperatures of 1.1 degrees C from 1990 until 2030. This prediction can now be compared with the actual data as measured up to now (May 2011).
Figure2: Comparison of yearly HadCru & UAH data with IPCC 1990 predictions
These results have been derived as described below. You can see the results here
http://clivebest.com/blog/?p=2208
regards
Dr Clive Best
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