Phuket Gazette: Whether its mantas or methane, protection or disposal, the world needs to get its act together. First some facts. Half of the worlds carbon dioxide is absorbed by the oceans. That the seas are a sink for CO2 is wonderful; its just that they are being damaged in the process. Hence, the dramatically increased levels of carbonic acid. One result of this acidification is that shellfish have trouble growing shells; another is a decline in key oxygenators: zoo-plankton levels have dropped three per...