University of Calgary professor David Keith's idea involves making a gigantic, inflatable, sausage-like bag up to 100 yards wide and several miles long. The bag would be able to store more than 175 million tons of carbon dioxide –- the equivalent of about two days of current global emissions.I hope the narwhals don't foil this plan.
The giant bag would rest on the seabed about two miles below the ocean’s surface.
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