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Sarah Fahmy

  • polymetallic nodule_HERO

    A New Threat to Oceans: Deep-Sea Mining for Precious Metals

    Around 500 miles southeast of the bright turquoise waters at Honolulu Harbor, and two and a half miles down to the dark ocean floor, a massive carpet of potato-sized rocks stretches thousands of miles on the seabed. These rocks, called polymetallic, or manganese, nodules, are made up of manganese, nickel, copper, and cobalt. The nodules’ […]