Iron Fertilization To Capture Carbon Dioxide Dealt A Blow: Plankton Stores Much Less Carbon Dioxide Than Estimated

A possible solution to global warming has been dealt a blow. Fertilizing plankton by the artificial addition of iron has long been proposed as a potential way to geoengineer the removal of carbon dioxide from the atmosphere. Now, scientists measuring how much of the greenhouse gas carbon dioxide is locked away in the deep ocean by plankton when it dies found that it was significantly less than previous estimates.

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