As the world pursues ambitious net-zero carbon emission goals, demand is soaring for the critical materials required for the technologies leading the energy transition. Lithium may be the most well-known of these inputs due to its usage in batteries for vehicles and consumer electronics, but roughly 50 other minerals are central to energy transition technologies. During the coming years, producers, manufacturers and end-users will be increasingly exposed to the roles played by “rare earth” elements (roughly, atomic numbers 57 to 71), platinum group metals, and other materials.