Sunday Mail: FROM the deck of the research ship Weatherbird II, a California company hopes to prove the controversial theory that putting iron dust in the ocean can produce enough plankton to help save the Earth. The mission of the company behind the ship, Planktos Corp, is to research whether “iron seeding” or “iron enrichment” – dumping tonnes of pulverised iron ore into the ocean – can catalyse the growth of microscopic algae that will then suck carbon out of the atmosphere. …