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LESSON 3 · Into the Abyss: Ocean Depths

Deep-Sea Mining Debate

The deep ocean floor contains trillions of dollars worth of polymetallic nodulespotato-sized lumps rich in manganese, cobalt, nickel, and copper. These metals are essential for batteries and renewable energy technology.

The International Seabed Authority governs mining in international waters. Environmentalists warn that dragging collectors across the abyssal plain would destroy ecosystems that took millions of years to develop.