The global footprint of mercury deposition makes it harder to motivate ourselves to reduce emissions, in a tragedy of the commons that is totally analogous to the carbon cycle. Why (one may ask, and I will attempt to answer) should we clean up the mercury emissions from our coal plants when there are coal plants emitting mercury in China? And what’s up with “artisanal gold mining”??
read more... http://www.realclimate.org/index.php/archives/2018/10/mercury-the-other-geologically-persistent-planetary-poison/
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