Renewables’ deep-sea mining conundrum

DAVID SHUKMAN on BBC NEWS | 11 April 2017

“Their investigation of a seamount more than 500km (300 miles) from the Canary Islands has revealed a crust of “astonishingly rich” rock.

Samples brought back to the surface contain the scarce substance tellurium in concentrations 50,000 times higher than in deposits on land.

Tellurium is used in a type of advanced solar panel, so the discovery raises a difficult question about whether the push for renewable energy may encourage mining of the seabed.”

 

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