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Can we throw cold water on global warming? One idea suggests capturing cold water using a large number of vertical floating ocean pipes in the tropical seas. Open valves would permit the cold water to rise to the surface and absorb carbon emissions. One expert says 134 million pipes could surface enough cold water to sequester potentially about one-third of the carbon dioxide produced annually. An added benefit might be to cool Gulf waters to help dissipate impending hurricanes. Could such an idea work — or could it create more significant ecological problems?
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