The World from PRX

mercury

Close-up of hands holding a piece of newspaper with a small pile of gold dust on it.
DW
Peru tries to end the toxic use of mercury in gold mining
9:29
Scientists with the US Geological Survey gather samples near coal train tracks in the Columbia Gorge near Washougal, Washington. Little research has been done on how coal interacts with the environment.
Environment
Scientists dig into booming coal exports and their effects on wetlands
Child gold mining in Philippines
Environment
In the Philippines, underwater gold mining comes with small payoffs and big risks