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 ...

Long assumed by some to have been diluted and washed away over time, mercury contamination from 19th-century gold mining is still moving through Nevada’s Carson River, with levels in some waterfowl ...

BOGOTA, Colombia (AP) — A global mercury conference in Geneva faced sharp criticism Friday from environmental and Indigenous groups for failing to take stronger steps against mercury use in ...