Rare Earths Part 1: Satisfying the Shortfall

In this first part of a series on rare earth elements (REEs), we look at how rare they are and the difficultly in extracting REEs in significant quantities. And how, to lessen dependence on China, which controls 97% of the supply, researchers are exploring promising resources and strategies to satisfy our need for REEs.

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Satisfying the Rare Earth Shortfall (PDF, 313kb)