The U.S. needs minerals for green tech. Will Western mines have enough water?
SUPERIOR, Ariz. — On a 107 degree morning in the mountains east of Phoenix, a miner in a hard hat pl...
SUPERIOR, Ariz. — On a 107 degree morning in the mountains east of Phoenix, a miner in a hard hat pl...
Robert Muggah is co-founder of the Brazil-based Igarapé Institute and SecDev Group. He is a fellow a...
MUZO, Colombia — Although he has helped transform Colombia's emerald industry, long a source of viol...
Bracing against the vibrations of the jackhammer, illicit diamond miner Jefferson Ncube bores steadi...
ATACAMA DESERT, Chile — In the middle of the desert in northern Chile, massive pools of Caribbean bl...