New research shows that increased levels of plastic pollution in the Southern Ocean could reduce the ability of Antarctic krill, a tiny shrimp-like crustacean, to help take CO2 from the atmosphere. The results are published this month in the journal Marine Pollution Bulletin. New research shows that increased levels of plastic pollution in the Southern Ocean could reduce the ability of Antarctic krill, a tiny shrimp-like crustacean, to help take CO2 from the atmosphere. The results are published this month in the journal Marine Pollution Bulletin. Plants & Animals Ecology Phys.org – latest science and technology news stories