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Latest Stories

A clash over mining and water

A plan to dig a vast copper mine in arid southern Arizona is pitting the needs of American industry — and arguably the national economy — against a coalition of local residents and environmentalists.

Appalachian coal fights for survival

Coal mining in Appalachia has survived deadly explosions, the Great Depression and the country’s largest armed insurrection since the Civil War. The latest threat is booming shale-gas production.

Codelco experimenting with ‘biomining’ in Chile

BBC News reports on new technology used for mining copper in Chile. Biosigma, a joint venture between Codelco and Nippon Metals and Mining, is experimenting with microbes that break down copper at higher recovery rates and reduce operating costs: