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Mother Nature Network • The Great Lakes legacy: Old contaminants declining...

09

Nov

The Great Lakes legacy: Old contaminants declining with newer ones on the riseToxins and chemicals, like PCB and DDT, are building up in fish and wildlife around the lakes.

The Great Lakes legacy: Old contaminants declining with newer ones on the rise
Toxins and chemicals, like PCB and DDT, are building up in fish and wildlife around the lakes.

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