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March 10, 2016 08:00 pm

Cautious Steps Toward Seabed Mining

mdsolar writes: The deep ocean was once assumed to be lifeless and barren. Today we know that even the deepest waters teem with living creatures, some of them thought to be little changed from when life itself first appeared on the planet. The deep ocean is also essential to the earth's biosphere. It regulates global temperatures, stores carbon, provides habitat for countless species and cycles nutrients for marine food webs. Currently stressed by pollution, industrial fishing, and oil and gas development, these cold, dark waters now face another challenge: mining. With land-based mineral sources in decline, seabeds offer a new and largely untapped frontier for mineral extraction, and companies are gearing up to mine a treasure trove of copper, zinc, gold, manganese, and other minerals from the ocean floor. Scientists, regulators, and mining companies are now collaborating on frameworks and strategies for mining the seabed responsibly. Cindy Van Dover, director of the Duke University Marine Laboratory and chair of the school's Division of Marine Science and Conservation, says that's encouraging, given that seabed mining appears to be inevitable.

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