Toxic food, toxic water: What's killing B.C.'s killer whales? - Calgaryn.com

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Toxic food, toxic water: What's killing B.C.'s killer whales?

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07-23-2019, 05:48 PM

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Toxic food, toxic water: What's killing B.C.'s killer whales?

Orcas have no natural enemies but face threats from pollution and climate change. Research shows the level of toxic PCBs in the ocean could cause the global orca population to collapse within 50 years, while acidifying oceans are destabilizing the ecosystem the whales rely on.

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