China’s rare earth export curbs push U.S. to look to Brazil

Earlier this month, China announced new export restrictions on rare earths — critical minerals that are used in semiconductors, smartphones, electric vehicles, and more. The new curbs sparked a race by the U.S. to secure supplies from other countries to avoid disruptions to a wide range of industries.

China produces about 70% of the world’s rare earths — a set of 17 metallic elements — and processes nearly 90% of the minerals. The U.S. has signed deals with Australia and several