U.S. Geological Survey Study Demonstrates How Methylmercury, Known to Contaminate Seafood, Originates in the Ocean

by Sabrina I. Pacifici on May 3, 2009

News release: “A new landmark study published [May 1, 2009] documents for the first time the process in which increased mercury emissions from human sources across the globe, and in particular from Asia, make their way into the North Pacific Ocean and as a result contaminate tuna and other seafood. Because much of the mercury that enters the North Pacific comes from the atmosphere, scientists have predicted an additional 50 percent increase in mercury in the Pacific by 2050 if mercury emission rates continue as projected.”

  • Mercury sources, distribution and bioavailability in the North Pacific Ocean–Insights from data and models and information on other USGS mercury research
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