Justin Alger

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Potato-sized polymetallic nodules from the deep sea could be mined for valuable metals and minerals. Carolyn Cole / Los Angeles Times via Getty Images

We don’t need deep‑sea mining, or its environmental harms. Here’s why

Justin Alger, The University of Melbourne; D.G. Webster, Dartmouth College; Jessica Green; Kate J Neville, University of Toronto; Stacy D. VanDeveer, UMass Boston, and Susan M Park, University of Sydney

Commercial mining of the deep sea could begin soon. But these metals and minerals are not scarce. Mining will be harmful and the economic benefits are overstated.

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