<Tr> <Td> Regionalisation (heterogeneous world) </Td> <Td> A2 regionally oriented economic development 2.0--5.4 ° C </Td> <Td> B2 local environmental sustainability 1.4--3.8 ° C </Td> </Tr> <P> The full WGI report was published in March 2007, and last updated in September of that year . It includes a Summary for Policymakers (SPM), which was published in February 2007, and a Frequently Asked Questions section . </P> <P> This section of the report, Climate Change 2007: The Physical Science Basis, assessed current scientific knowledge of "the natural and human drivers of climate change" as well as observed changes in climate . It looked at the ability of science to attribute changes to different causes, and made projections of future climate change . </P> <P> It was produced by 676 authors (152 lead authors, 26 review editors, and 498 contributing authors) from 40 countries, then reviewed by over 625 expert reviewers . More than 6,000 peer - reviewed publications were cited . </P>

Which of the following was not a major finding of the 2001 ipcc report