Warming Arctic releases air pollutants

28 July 2011. Warming Arctic releases frozen organic air pollutants. NewScientist.

Air pollutants buried in snow for decades are being freed as global warming melts the ice.  These persistent organic pollutants (POPs), banned since 2004, got there and are coming back on the wind. They are dangerous because they accumulate in body fat, can cause cancer, and be passed from mother to fetus.

(Nature Climate Change, DOI: 10.1038/nclimate1167).

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