New research finds Antarctic seals and killer whales still have persistent organic pollutants stored in their blubber, despite many countries having phased out production of these toxic chemicals, some as long as 50 years ago.
_
New research finds Antarctic seals and killer whales still have persistent organic pollutants stored in their blubber, despite many countries having phased out production of these toxic chemicals, some as long as 50 years ago.
_