“Producing enough gold for a single wedding band generates on average 20 tons of mining waste, much of it contaminated with toxic chemicals like lead, mercury, arsenic, or cyanide,” explained Payal Sampat who heads the No Dirty Gold campaign at international nonprofit Earthworks. “There is a significant overlap between some of the most bio-diverse regions and the places where gold mining is either going on or proposed,” she added.
http://www.dw.de/gold-without-the-guilt/a-18216444
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