Manmade carbon dioxide is being soaked up by the cold waters of the Southern Ocean and transported to the dep waters of the subtropical ocean, researchers reported. Manmade carbon dioxide makes the water acidic. The acidity is corrosive to calcium carbonate, an essential ingredient of shells and coral reefs.

Roach, J. (2000, February 3). Southern Ocean soaks up carbon dioxide. Manila Bulletin, p. B-11.