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'Climate fix' ship sets sail with plan to dump iron http://apocadocs.com/s.pl?1231604346
The ambitious geoengineering expedition has caused a stir among some campaigning groups, but has the scientific backing of the UK, German, and Indian governments, as well as the International Maritime Organisation.
Within weeks, the ship's crew hope to dump 20 tonnes of ferrous sulphate into the Southern Ocean. Plankton need iron to grow, and the aim of the expedition is to trigger a plankton bloom and boost the amount of carbon that is sucked out of the air and locked up at the bottom of the ocean.... "Twenty tonnes of iron particles in the vast ocean is very much drop in the bucket and is unlikely to have a lasting effect," says Ken Caldeira of Stanford University. "The rational concern is that experiments will lead down some slippery slope -- that small experiments could be scaled up without any regulation."
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[Read more stories about:
technical cleverness, geoengineering]
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We have no doubts about humankind's ability to do such geoengineering. Nor about their eventual success in having unintended consequences.
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