“The lack of summer sea ice during the mid-Pliocene suggests that the record-setting melting of Arctic sea ice over the past few years could be an early warning of more significant changes to come.”
http://www.clickgreen.org.uk/research/trends/121010-arctic-could-face-warmer-and-ice-free-conditions,-warn-scientists.html Key questions: Could SRM* geoengineering prevent this? Is there an alternative? How long have we got? John P.S. See also decline of the carbon sinks, which might also benefit from cooling technology: http://www.clickgreen.org.uk/research/trends/12975-researchers-show-major-increase-in-co2-emissions.html * Solar radiation management, e.g. by using stratospheric aerosols or cloud brightening to reflect solar radiation back into space. -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en.
