On loss of Arctic summer sea ice with a short comment about CE. "The AMEG statement adds that governments should consider geoengineering techniques"

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"A record loss of Arctic sea ice and faster-than-expected melting of Greenland's ice cap made worldwide headlines in 2012, but research published in major science journals in the fall suggest warming in the North doesn't have to continue."

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"But these measures are not going to save the Arctic ice. [...] It is time to consider a radical course: geoengineering."

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1st and 2nd article "Greenpeace recently started a "Save the Arctic" campaign. That's great -- but you can only save the arctic by saving its ice. And, unfortunately, it is now clear that this can no longer be achieved through emissions reductions alone."

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Link for 2nd article