Consensus grows on climate change
By Roger Harrabin
Environment Correspondent, BBC News
The global scientific body on climate change is expected to report soon that emissions from humankind is the only explanation for major changes on Earth.
The Intergovernmental Panel on Climate Change (IPCC) formerly said greenhouse gases were "probably" to blame.
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A source said: "The measurements from the natural world on all parts of the globe have been anomalous over the past decade.
"If a few were out of kilter we wouldn't be too worried because the Earth changes naturally. But the fact that they are virtually all out of kilter makes us very concerned."
He said the report would forecast that a doubling of greenhouse gas concentrations in the atmosphere would bring a temperature rise of 2C-4.5C or maybe higher.
This would be a narrower range than contained in the last report, which suggested that the rise could be as little as 1.4C or as large as 5.8C.
The complete article can be found at
http://news.bbc.co.uk/2/hi/science/nature/4761804.stm