IPCC published their 4th Summary for Policymakers

Published today on the IPCC website :

“Late last night, Working Group I of the Intergovernmental Panel on Climate Change (IPCC) adopted the Summary for Policymakers of the first volume of “Climate Change 2007”, also known as the Fourth Assessment Report (AR4).

“Climate Change 2007: The Physical Science Basis”, assesses the current scientific knowledge of the natural and human drivers of climate change, observed changes in climate, the ability of science to attribute changes to different causes, and projections for future climate change.

The report was produced by some 600 authors from 40 countries. Over 620 expert reviewers and a large number of government reviewers also participated. Representatives from 113 governments reviewed and revised the Summary line-by-line during the course of this week before adopting it and accepting the underlying report.

The Summary can be downloaded in English from www.ipcc.ch and http://ipcc-wg1.ucar.edu. A webcast of the final press conference has also been posted.”

Source : http://www.ipcc.ch/press/prwg2feb07.htm

I will read in the very next days the 21-page document and will post my comments on it. To what I read today it seems even more certain that Mankind is the source of this global warming phase. This report seems very alarming and I would like to read it carefully to bring you the best short version possible with my means.


Edouard is a sustainability and energy professional committed to bringing our societies to a carbon neutral future. He has been writing on related topics on this very blog since 2007.

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