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Consensus grows on climate change
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.
Its next draft report will be sent to world governments next month.
The BBC has learnt the report will state that greenhouse gas emissions are the only explanation for changing patterns of weather across the globe.
It will say rising concentrations of gases such as carbon dioxide in the atmosphere must be the cause of simultaneous freak patterns in sea ice, glaciers, droughts, floods, ecosystems, ocean acidification and wildlife migrations.
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.
More
http://news.bbc.co.uk/2/hi/science/nature/4761804.stm
Its next draft report will be sent to world governments next month.
The BBC has learnt the report will state that greenhouse gas emissions are the only explanation for changing patterns of weather across the globe.
It will say rising concentrations of gases such as carbon dioxide in the atmosphere must be the cause of simultaneous freak patterns in sea ice, glaciers, droughts, floods, ecosystems, ocean acidification and wildlife migrations.
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.
More
http://news.bbc.co.uk/2/hi/science/nature/4761804.stm
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