JediJeremy writes "Nature has this article on a team of scientists who want to reduce the amount of CO2 in the atmosphere by increasing the amount of phytoplankton in the oceans. Phytoplankton thrive on iron, so the scientists are going to conduct a study to better grap the affect of an increase of iron in the water will be. They plan to dissolve an iron sulphate solution in a 150-200 square-kilometer patch of the Southern Ocean, near Antarctica to maximize the containment of the iron. The major flaw in the plan is it will only work if the phytoplankton die and sink to the bottom of the ocean, taking the CO2 with them, otherwise, the carbon will be reintroduced into the ecosystem. Interesting idea, but big design flaw."
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