NewsBreak: study warns of mercury in Arctic
"It is of particular concern that mercury levels are continuing to rise in some Arctic species in large areas of the Arctic," despite emissions reductions in nearby regions like Europe, North America and Russia, said the Arctic Monitoring and Assessment Program, or AMAP.
Emissions have increased in other parts of the world, primarily in China, which is now the world's No. 1 mercury polluter, accounting for nearly half of total emissions, AMAP said.
Its report, "Arctic Pollution 2011," was scheduled for release Friday at a scientific conference in Copenhagen, but The Associated Press obtained a copy in advance from researchers involved with the study.
Another report released earlier this week at the meeting of nearly 400 scientists showed melting ice in the Arctic could help raise global sea levels by as much as 5 feet (1.5 meters) this century, much higher than earlier projections.
Both assessments will be handed to U.S. Secretary of State Hillary Clinton and the foreign ministers of Russia, Canada, Sweden, Norway, Denmark, Finland and Iceland at an Arctic Council meeting next week.
Polar bears, beluga whales and seals are among the species that have shown heightened levels of mercury in parts of Arctic Canada and Greenland, the pollution report said.
Meanwhile, mercury levels have dropped in other animals in the high north of Europe.
The reasons are not fully understood, but theories include that the European animals are closer to regions where mercury emissions are declining.
The impact of climate change, including melting permafrost and longer ice-free seasons, could also be a factor, the report said, adding more research is needed.
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