If diplomacy fails, there is always the fantastic Plan B
18 Dec 2009

Plan B includes mirrors in space.
Just five years ago, anyone who talked of easing Earth's climate crisis by fertilising the seas with iron, scattering particles in the stratosphere to reflect sunlight or building a sunshade in space courted ridicule.
But today with little hope held for a binding climate change agreement coming from the Copenhagen summit, such advocates - "geo-engineers" - are getting a respectable hearing.
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