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Published online 7 March 2001 | Nature | doi:10.1038/news010308-9

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Climate may have infra-red iris

Thin clouds over warm seas may help the Earth to keep its cool.

A natural heat-vent in the clouds over the Pacific ocean, may enable the Earth to keep its cool despite a rise in the amount of greenhouse gas in the atmosphere, new research from a leading 'greenhouse sceptic', suggests1.

Although more work will be needed to establish the extent of the vent's suggested 'thermostatic cooling' effect, the finding challenges meteorologists to account for clouds in future global climate models.

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