The United Nation’s Intergovernmental Panel on Climate Change has just released a 21 page report summary for policy makers of a report entitled ‘Climate Change 2007 – The Physical Science Basis’ which will be released later in the year.
The report summary can be downloaded here: http://www.ipcc.ch/ .
The report summary has been the focus of intensive media interest for some days and according to the ABC has been described by WWF as a “clarion call to governments to act urgently to slash emissions” and by Greenpeace as a “screaming siren”.
It is unclear from the associated media release when the full report will be made available.
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Changes to the text in this blog post were made about 10 minutes after I posted it. New text is underlined.

Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.