The BBC reports:
The Intergovernmental Panel on Climate Change (IPCC) has warned against drawing too many conclusions from the latest leaked version of its upcoming, and eagerly awaited Assessment Report 5 (AR5)…
According to the latest scoop, the scientists are set to say they are more convinced than ever that global warming is caused by humans. They will say they are 95% certain that our use of fossil fuels is the main reason behind the global rise in temperatures since the 1950s.
The panel will also outline why global temperatures have been rising more slowly since 1998, a controversial slowdown that scientists have been struggling to explain.
According to the leak, they will put it down to natural meteorological variations and other factors which could include greater absorption of heat into the deep oceans – and the possibility that the climate is less sensitive to carbon dioxide than had previously been believed.
Many climate sceptics have argued that this is a key factor behind the temperature slowdown, and a good reason not to believe the more extreme predictions of those they dismiss as warmist conspirators.
But those involved with the IPCC say that even now, just a month away from publication you would be “foolish in the extreme” to take this latest leak as conclusive…