Mercury levels in North Pacific to double by 2050, study of yellowfin tuna shows

February 2, 2015 10:00 PM

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Mercury levels in North Pacific to double by 2050, study of yellowfin tuna shows

Mercury levels in Hawaiian yellowfin tuna are rising at a rate of at least 3.8% per year as a result of human activities leading to increased atmospheric levels of the toxin.

Researchers have long said rising mercury levels in open-ocean fish will be seen in response to changing atmospheric conditions, but evidence has so far remained elusive.

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