The world needs more batteries. That’s what we keep hearing in the push for greener energy, and we can’t build enough to meet ...

Polymetallic nodules containing certain critical minerals can be found scattered across the seabed in some parts of the ocean. Here, manganese nodules found off the Southeastern U.S. in 2019.

"They need to rebuild. They need metals to do that." Those nodules have tempted would-be miners for decades. Mining firms claim the deep seabed could provide a major new source of minerals ...

Scattered on the seafloor four kilometers (2.5 miles) beneath the surface, polymetallic nodules contain manganese, nickel and ...