Ancient Mongol metallurgy an extreme polluter
Pittsburgh PA (SPX) Mar 13, 2015 - The ancient Mongols have a reputation for having been fierce warriors. A new study out of the University of Pittsburgh shows them to have been unmatched polluters. Graduate student Aubrey Hillman recently published a paper in the journal Environmental Science and Technology that shows copper and silver production in southwest China produced tremendous quantities of harmful heavy metals, su ... more
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