Marine scientists from California are venturing out into the Pacific to find out more about the "Great Pacific Garbage Patch".

A research vessel carrying a team of about 30 researchers, technicians and crew members embarked on Sunday on a three-week voyage from the Scripps Institution of Oceanography, based at the University of California at San Diego.

Marine pest species costing billions in damage to fisheries, coastal communities and infrastructure are spreading as the world’s shipping nations continue to largely neglect bringing into effect an international treaty setting out requirements for consistent handling and treatment of ships’ ballast water.
 

A new scientific discussion paper released yesterday outlines mounting evidence that human activity is changing the world’s oceans in profound and damaging ways.