10:47pm PST - January 31st, 2023

Southern Congo sits atop an estimated 3.4 million metric tons of cobalt, almost half the world's known supply. New book #SiddharthKara https://t.co/oIyAhjQP3t https://t.co/pFkur9IuTI https://t.co/gUc4ixAQ0g

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