Saw this News, found it interesting… “The amount of natural mercury bound up in Arctic permafrost may be 10 times greater than all the mercury humans have pumped into the atmosphere”
https://news.nationalgeographic.com/2018/02/melting-arctic-permafrost-toxic-mercury-environment/

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This topic was modified 2 years, 11 months ago by
trunxrdm.
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This topic was modified 2 years, 11 months ago by
trunxrdm.