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Ocean Iron Fertilization
Iron fertilization is a technique that would artificially add iron to the ocean’s surface, triggering massive blooms of phytoplankton that could remove substantial amounts of carbon dioxide from the atmosphere.
When the plume of dust or ash settles over the ocean’s surface, it triggers massive blooms of phytoplankton that remove substantial amounts of carbon dioxide from the atmosphere. During times when large amounts of dust settled over the ocean, global temperatures dropped, with an estimated 60 billion tons of carbon drawn out of the atmosphere during these events. Until experiments are done to test these potential outcomes and determine how much carbon can be sequestered in the ocean depths, iron fertilization should not be put to use as a method of slowing climate change.
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