What to know

• Up to 6,000 metres (19,700 feet) beneath the surface of the Pacific Ocean between Mexico and Hawaii, billions of potato-shapedS1
• Up to 6,000 metres (19,700 feet) beneath the surface of the Pacific Ocean between Mexico and Hawaii, billions of potato-shaped metallic nodules are scattered across the seabed. The Clarion-Clipperton zone’s reserves of vital metals such as nickel, cobalt and m...S2