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Can Dumping Iron Into The Sea Fight Climate Change?

03:59
John Disney (second from left) looks over the underwater probe used in his company's ocean fertilization project, at a news conference in Vancouver, British Columbia, in October. (Reuters/Landov)
John Disney (second from left) looks over the underwater probe used in his company's ocean fertilization project, at a news conference in Vancouver, British Columbia, in October. (Reuters/Landov)

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