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Royal Society Report Concludes Geoengineering and its Consequences May be the Price for Failure to Act on Climate Change; Recommendations for Plan B

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From: Geoengineering the Climate (2009) Click to enlarge. Although they are relatively cheap to deploy, there are considerable uncertainties about their regional consequences, and they only reduce some, but not all, of the effects of climate change, while possibly creating other problems.

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The Why, How, and Maybe Not of Geoengineering

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And so if you look at the Earth from space and you see that shiny blue marble, the principle is that if you could make the atmosphere or the Earth about 1% more reflective, that you might be able to offset a doubling of CO2 or two or more degrees of warming. Absolutely, but it’s not necessarily cheap and easy to do in an absolute sense.

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