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In response, one of the people working on the project in Myhrvold's Intellectual Ventures Lab has posted an explanation on the company's site.
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"This type of technology is not something humankind would try as a 'Plan A' or 'Plan B,' " writes Paul "Pablos" Holman in the Intellectual Ventures post.
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"These inventions are a 'Plan C' where humans decide that we have exhausted all of our behavior changing and alternative energy options and need to rely on mitigation technologies.
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If our planet is in this severe situation, then our belief is that we should not be starting from scratch at investigating mitigation options."
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Pablos also posted that as a comment on our original post.
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David Nolan, the University of Miami professor we spoke with for the initial post, has since expressed additional doubt about whether the concept would work at all.
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The plan, as outlined in patent filings by Gates, Myhrvold and others, appears to rely largely on a technique for pushing warm water down to alter the surface temperature of the ocean, rather than bringing cold water up.
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