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Warming in the Arctic is causing the release of toxic chemicals long trapped in the region's snow, ice, ocean and soil, according to a new study. Results indicate that a wide range of persistent organic pollutants (POPs) have been remobilized into the Arctic atmosphere over the past two decades as a result of climate change, confirming that Arctic warming could undermine global efforts to reduce environmental and human exposure to these toxic chemicals. [Source: New York Times]
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