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Published online 6 December 2000 | Nature | doi:10.1038/news001207-6
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Solar blow to low cloud could be warming planet
Philip Ball finds out where in the atmosphere tiny changes in the Sun could have a big effect on Earth's climate.
For the climate sceptics who doubt that human release of greenhouse gases is the main cause of global warming, one of the more plausible alternatives is that changes in the Sun might be responsible. Researchers in Denmark now show how and where a link between global cloudiness and solar activity could affect climate in unforeseen ways1.
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