Extreme and risky action including geo-engineering the only way to tackle global "warming", say scientists in collection of Royal Society papers

Political inaction on global warming has become so dire that nations must now consider extreme technical solutions - such as blocking out the sun - to address catastrophic temperature rises, scientists from around the world warn today.
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Mike Childs of Friends of the Earth said: "We can't afford to wait for magical geo-engineering solutions to get us out of the hole we have dug ourselves into. The solutions that exist now, such as a large-scale energy efficiency programme and investment in wind, wave and solar power, can do the job if we deploy them at the scale and urgency that is needed."