[sf-lug] Mercury levels in Arctic permafrost very high...

[Bobbie Sellers]

Hi Team,
     Well we cannot point the finger of blame at humanity for this.
We can point the finger of blame at the use of carbonaceous fuels
which are thawing the permafrost but the mercury is from
  pre-industrial sources.  Melting the permafrost may release this into
the ocean circulation this might just make fish undesirable food but...

<https://www.scientificamerican.com/article/the-arctic-permafrost-holds-a-crazy-amount-of-mercury-mdash-and-thats-bad-news/>

      bliss
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