IMO WARNS ABOUT DUMPING IRON AT SEA TO CUT CO2
July 1st, 2007
BY KEITH NUTHALL INTERNATIONAL Maritime Organisation (IMO) specialists have raised environmental concerns about proposals to dump tons of fine iron particles in the sea, to grow algal blooms consuming carbon dioxide. Because these microscopic organisms would also eat the iron, when they die, the mineral's weight would sink them to the ocean depths, taking the CO2 with them. There it would remain, suspended in the gloom, stored within the plankton's skeletons for centuries. That's the theory, and experiments have shown it works, with the US Wegener Institute's ...
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