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Computare
Fertilization of the Ocean
Electron microscope image
of Fragilariopsis kerguelensis
http://daac.gsfc.nasa.gov/CAMPAIGN_DOCS/OCDST/soiree.html
http://www.mlml.calstate.edu
A proposal from the 80’s suggested a scheme to remove carbon from the atmosphere. The ocean is fertilized with iron to increase plankton growth which dies and sinks to move carbon dioxide away from the surface.  Carbon dioxide would be replenished from the atmosphere.
Humans once again enhance natures carbon management.
Tests are underway. If this scheme works another new energy using industry could evolve.