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The ocean off the coast of Hawaii
A planned US$5 million experiment off the coast of Hawaii to test the feasibility of carbon sequestration in the oceans as a means of reducing global warming has been called off in the face of opposition from environmentalists.

The researchers, who plan to release tonnes of liquefied carbon dioxide in the deep ocean in an attempt to mitigate the build-up of carbon dioxide in the atmosphere, say there are no environmental grounds for dropping the project.

But environmentalists are suspicious of the experiment because they see carbon sequestration as a 'red herring' introduced into the Kyoto negotiations to divert attention from the need to reduce greenhouse-gas emissions.

Reference: Nature 417, 888 (2002)

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Photo credit: Warren Gretz/NREL