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Published online 26 September 2007 | Nature | doi:10.1038/news070924-8
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Mixing the oceans proposed to reduce global warming
Could nutrients from the deep help remove carbon dioxide from the air?
Could mighty pumps be installed in the ocean to mix up the waters and cool the planet? At least some scientists and businessmen believe so — but the idea is controversial.
In a letter to the editor published in Nature this week1, James Lovelock and Chris Rapley suggest that this deus ex machina could be an "emergency treatment for the pathology of global warming".
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