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Page last updated at 09:13 GMT, Tuesday, 19 January 2010

"Broad range of options" on geo-engineering

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The science, technology and governance of geo-engineering are to be discussed by a panel at the Royal Society today. The technology is seen as one of the possible routes to counter climate change and includes mounting giant mirrors in space to reflect sun energy away from the planet.

Professor Steve Rayner, director of the Institute for Science Innovation and Society at the Said Business School at Oxford University, discuss geo-engineering.

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