First time accepted submitter Alienwise
writes "Judith Curry reports a scientific concept of an atmospheric CO2 sequestration plant. It would be based in the Antartic to profit from the cold weather, which would facilitate the creation of CO2 snow — which would then be buried. The plant could be powered by windmills."
The lead author has agreed to let Curry link to a copy of the final manuscript, if you'd like to read more.