Killer Whale Found Dead In Scotland Has Highest Level Of Toxic Chemical Ever Recorded An adult killer whale from a small group of whales in Scotland was found dead last year. Analysis of her blubber shows the highest ever recorded PCB toxicity levels in a marine mammal. by Athena Chan
Science High Levels Of Toxic Chemicals Contaminate Marine Animals In Deepest Ocean Trenches by Allan Adamson
Science Melting Greenland Ice Sheet May Release Toxic Waste From Cold War-Era Military Base by Rhodi Lee
Science Banned Chemicals Remain An Extinction Threat To Europe's Killer Whales And Dolphins by Jim Algar