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Ozone study dims Sun’s global warming role

By Steve Connor, Science Editor. The sun’s role in climate change may have been overplayed, according to a study indicating that the Earth could actually get slightly cooler, rather than warmer, as the activity of the 11-year solar cycle increases.

Until now it was assumed that as solar activity – indicated by the number of sunspots on the Sun’s surface – increases, then so does the amount of solar radiation coming to the Earth to heat the planet.

However, a study based on satellite data of the Earth’s atmosphere has shown there is a complicated interaction between the varying amounts of radiation from the Sun and the amount of ozone in the atmosphere.


October 12, 2010 - Posted by | global | , ,

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