Mercury pollution is the one to watch out for with gold mining. While only a select few miners produce 20% of the gold in the world, they are responsible for a majority of the resulting pollution. In just a year’s time, these gold shops release around 400 metric tons of elemental mercury into the air. Fortunately, there are steps being put in place to limit this airborne toxicity. In testing, the Gold Shop Mercury Capture System, a technology to control mercury levels, was able to drastically cut mercury emissions by 80%.
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