10 million snowblowers? Last-ditch ideas to save the Arctic ice

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Some of the solutions sound fantastical – but their proponents argue that there are precious few other options

Time is running out for the Arctic. The region continues to warm at two or three times the global rate and scientists now predict that we could see Arctic summer ice disappear as early as 2042.

As the realization sets in that existing emission reductions and renewable energy programs in place won’t be enough to save the Arctic, alternative geoengineering projects have gained traction as scientists look for a last-ditch solution. Some of them sound fantastical – but their proponents argue that there are precious few other options.

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