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DeepGreen CEO Gerard Barron explains ocean mining to a child. He says it could spare rainforests and end child labor in mining.

DeepGreen's Hellman splits environmentalists into two camps. She likens it to early EV doubts and stresses nodules set a precedent.

DeepGreen trainee Glorie Baciyunjuze compares ocean and land mining. She says Congo mining used child labor, unlike the controlled ocean chain.

Geologist Rick Miller details Leap Energy's Box Corer program. It targets 126 box cores from 4,200 to 4,500 meters deep.

NORI holds a 5,000 sq km Pacific seabed exploration contract area. Production is expected in five to seven years, with royalties then paid to Nauru.

Kingston Process Metallurgy is testing DeepGreen's manganese nodules. The test heats nodules to 900C then smelts them at 1,500C.

CSA Ocean Sciences deployed three moorings in the NORI area. The longest ran 4,000 meters deep, with the others at 500 and 32 meters.

DeepGreen crew describe offshore mining shifts far from family. Shifts start with a five-day sail, and workers call it the frontier of a new industry.

DeepGreen trainee Raphael Silva joined a CCZ expedition. The program is run by the International Seabed Authority.

The Metals Company deployed ocean moorings during Expedition 4A. The goal is to study the deep ocean environment in the Clarion Clipperton Zone.