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Originally Posted by hulkrogan
That is where you are wrong. There is no other group. Every scientest and scientific body discussing this thing belongs in group A.
The only debate is on how much of a minority role solar fluctuations play. Its straight concensus that humans are the majority cause.
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http://www.telegraph.co.uk/news/main.../11/warm11.xml
While I don't agree with all of it, this just shows that there is NOT concensus on the issue:
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Man-made climate change may be happening at a far slower rate than has been claimed, according to controversial new research.
Scientists say that cosmic rays from outer space play a far greater role in changing the Earth's climate than global warming experts previously thought.
In a book, to be published this week, they claim that fluctuations in the number of cosmic rays hitting the atmosphere directly alter the amount of cloud covering the planet.
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Research is on-going:
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A team of more than 60 scientists from around the world are preparing to conduct a large-scale experiment using a particle accelerator in Geneva, Switzerland, to replicate the effect of cosmic rays hitting the atmosphere.
They hope this will prove whether this deep space radiation is responsible for changing cloud cover. If so, it could force climate scientists to re-evaluate their ideas about how global warming occurs.
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Now.. this isn't entirely supported by all:
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Some climate change experts have dismissed the claims as "tenuous".
Giles Harrison, a cloud specialist at Reading University said that he had carried out research on cosmic rays and their effect on clouds, but believed the impact on climate is much smaller than Mr Svensmark claims.
Mr Harrison said: "I have been looking at cloud data going back 50 years over the UK and found there was a small relationship with cosmic rays. It looks like it creates some additional variability in a natural climate system but this is small."
But there is a growing number of scientists who believe that the effect may be genuine.
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but it shows that there isn't a concensus.