Telegraph | News | The truth about global warming - it's the Sun that's to blame: "Global warming has finally been explained: the Earth is getting hotter because the Sun is burning more brightly than at any time during the past 1,000 years, according to new research.
A study by Swiss and German scientists suggests that increasing radiation from the sun is responsible for recent global climate changes.
Dr Sami Solanki, the director of the renowned Max Planck Institute for Solar System Research in Gottingen, Germany, who led the research, said: 'The Sun has been at its strongest over the past 60 years and may now be affecting global temperatures.
'The Sun is in a changed state. It is brighter than it was a few hundred years ago and this brightening started relatively recently - in the last 100 to 150 years.'
Dr Solanki said that the brighter Sun and higher levels of 'greenhouse gases', such as carbon dioxide, both contributed to the change in the Earth's temperature but it was impossible to say which had the greater impact.
Average global temperatures have increased by about 0.2 deg Celsius over the past 20 years and are widely believed to be responsible for new extremes in weather patterns. After pressure from environmentalists, politicians agreed the Kyoto Protocol in 1997, promising to limit greenhouse gas emissions between 2008 and 2012. Britain ratified the protocol in 2002 and said it would cut emissions by 12.5 per cent from 1990 levels."
FF: "Our sun is getting HOT, lol"
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