26 May '12, 7pm

Shrinking Arctic Ice May Cause Mercury Poisoning

Shrinking Arctic Ice May Cause Mercury Poisoning

NASA has shown repeatedly that the Actic icecap is melting, and melting faster than climate models predict. This new visualization is stark and should be of obvious concern, simply because of the impact on sea levels. Now there is a potentially new threat. The process of shrinkage may cause a chemical reaction that could poison the Arctic ecosystem with mercury. The disappearance of old, thick ice in the Arctic means an increase in bromine released into the atmosphere. The new, thinner ice has more salt and this is where the bromine comes from. As it melts it interacts with relatively benign gaseous mercury causing it to solidify and fall in a toxic form to the ground and into ocean water. The old old ice has less salt. it is currently popular in denier circles to tout the April 2012 ice sheet extension as a sign of slowing of Arctic ice melt. This grasping at straws is no...

Full article: http://www.desmogblog.com/shrinking-arctic-ice-may-cause-...

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