Iron dissolved by air pollution may increase ocean potential to trap carbon

Iron particles generated by cities and industry are being dissolved by man-made air pollution and washed into the sea – potentially increasing the amount of greenhouse gases that the world’s oceans can absorb, a new study suggests.Scientists have long believed that acids formed from human-generated pollution and natural emissions dissolve iron in airborne particles – increasing the amount of iron to the ocean – but have lacked direct evidence to prove this theory.

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