To climate-change worries, add 1 more: Extended mercury threat

Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world.

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<p><a href="http://www.physorg.com/news150560491.html">To climate-change worries, add 1 more: Extended mercury threat</a></p> <p>Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world.</p>