When fishing in Arctic Norway the authorities have banned the taking of halibut larger than 1m because of the risk of biological magnification of heavy metals. Is the Arctic really that polluted with mercury, etc.? If so, what's the source of these metals?
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When fishing in Arctic Norway the authorities have banned the taking of halibut larger than 1m because of the risk of biological magnification of heavy metals. Is the Arctic really that polluted with mercury, etc.? If so, what's the source of these metals?
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