Environmentalists are now seeking t...

Environmentalists are now seeking to have a clump of orcas (otherwise called killer whales) not upon the coast of British Columbia declared an endangered species in the United States because the whales are threatened by way of toxic pollution of the ocean.

The blubber of undivided orca that washed up dead near the US border 3 years ago was in this way contaminated with the deadly chemical PCB that the material part qualified as "pathogenic waste." Ironically, it is illegal to dump pathogenic waste at sea.

The orcas in question are already upon the endangered list in Canada--and, in fact, there are merely 80 in existence. They form a distinct assign places to that ranges from Vancouver Island in British Columbia to Puget unimpaired in Washington state. Peter Ros of the Canadian Department of Fisheries and Oceans says that whales are among the world's chiefly PCB-contaminated marine mammals.

Meanwhile, the US Navy is in court defending a recent sonar that critics say harms marine life, especially whales.

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