How do oceans work as CO2 sinks?



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    Oceans work as carbon sinks in two ways. The first is called the solubility pump, and is the differential between carbon levels in the seawater and the thermohaline circulation. The second way is called the biological pump, where carbon is transported in organic and inorganic materials into the ocean’s interior. A small portion is transferred all the way down to the sea floor, where it is buried and stored as fossil fuels. The ocean currently absorbs one third of human generated carbon.

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