Copper industry warns of looming supply gap without more mines

The world's appetite for copper to build most electronic devices will exceed supply over the next decade and imperil climate targets unless dozens of new mines are built, executives and analysts said this week at a key industry conference.

The forecast lays bare the growing tension over where and how the world can procure metals for the green energy transition, including copper, one of the best electrical-conducting metals that is widely used in motors, batteries and wiring.