KEDOUGOU – 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 sediment ...

Add Yahoo as a preferred source to see more of our stories on Google. Hugo Flores analyses a rock recently extracted from the mine in San Joaquin, Mexico (Associated Press/Fernando Llano) A drill ...

More than a century after the Mountain West’s silver and gold rushes, mercury used to process those metals is still moving ...

Food crops grown near artisanal and small-scale gold mining (ASGM) operations in Nigeria are absorbing mercury directly from the air, according to new findings published in Biogeosciences, a journal ...

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 ...

New research has found that some tropical trees in the Peruvian Amazon can be used to monitor mercury pollution from gold mining, offering an alternative to expensive air monitors. Previous research ...

Toxins released by long-extinguished fossil fuel fires and gold smelters are showing up in the bodies of Arctic wildlife, according to new research pointing to mercury released by pollution hundreds ...

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 ...

A small, leafy, green peanut plant grows out of a patch of dirt. When David McLagan’s team sampled mercury isotopes in cassava, maize, and peanut crops (like the one shown here) grown downwind of a ...