Dr. Peter Stilbs, Physical Chemist, has written many scientific papers over a 40-year period. Here he summarises the views of 100 scientists subscribing to ‘climate realism’ as signatories to a letter to the UN. The letter included the following points:
1) There is no strong evidence to prove significant human influence on climate on a global basis. The global cooling trend from 1940 to 1970 is inconsistent with models based on anthropogenic carbon dioxide emissions.
2) Actual claims put forward are that an observed global temperature increase of about 0.3 degrees C since 1970 exceeds what could be expected from natural variation. However, recent temperature data do not indicate any continued global warming since 1998.
3) There is no reliable evidence to support that the 20th century was the warmest in the last 1000 years. Previous claims based on the 'Mann hockey-stick curve' are discredited.
4) The science behind 'the climate issue' is far from settled. As so many cosmic effects are omitted from climate models, there is no credibility for arguments attributing global warming to anthropogenic carbon dioxide. This must be remembered when making political decisions related to these matters.
5) The IPCC Summaries are prepared by a relatively small core writing team with the final drafts approved line-by-line by government representatives. The great majority of IPCC contributors and reviewers, and the tens of thousands of other scientists who are qualified to comment on these matters, are not involved in the preparation of these documents. The summaries cannot, therefore, represent a consensus view among experts.
Peter Stilbs was one of the 100 scientific signatories to the letter to the UN, critical of the UN IPCC's climate view, December 13, 2007.
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