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Antarctica research suspended

By Julian Rush

Updated on 25 January 2009

Scientists have been ordered to suspend their controversial Antarctica 'ocean fertilization' experiment. Science correspondent Julian Rush reports.

Scientists on board a German polar research ship off Antarctica have been ordered by the German government to suspend their controversial "ocean fertilisation" experiment - because it may be in breach of an international treaty.

A British team is part of the joint Indian-German expedition in the Southern ocean. The researchers want to drop iron into the sea to create a bloom of plankton some 300 square km in size to see if it might one day be a way to reduce global warming.

But they have denied their research is intended to pave the way for the commercialisation of the technology.

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