KEDOUGOU, Senegal (AP) — The quickest way to separate gold from rock, Sadio Camara says, is with a drop of mercury. She empties a dime-sized packet of the silvery liquid into a plastic bucket of muddy ...
SAN JOAQUIN, Mexico (AP) — A drill echoes through narrow tunnels deep within the mountain where miner Hugo Flores bores into rock in search of one of Earth’s most toxic elements. Buried in red stripes ...
The wildcat gold mining boom that swept across the Amazon beginning in the 1970s left behind an environmental catastrophe of ...
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