Ocean biodiversity is being decimated on par with the fastest rates of rain forest destruction. More than 80 percent of pollutants in the oceans come from sewage and other landbased runoff some of it radioactive. The rest is created by waste dumped by commercial and recreational vessels. In many areas and for many fish stocks there are no conservation or management measures existing or even planned. Climate author Albert Bates explains how ocean life maintains adequate oxygen levels prevents er