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Coal that powered steel mills and locomotives and helped industrialize America is blamed for contributing to global warming, and coal mine drainage has poisoned waterways across Appalachia.
The pilot project run by West Virginia University is now part of an intensifying worldwide race to develop a secure supply of the valuable metals and, with more federal funding, it could grow into a commercial-scale enterprise.
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For the U.S., which is beholden to a Chinese-controlled supply of these valuable metals, the pursuit of rare earth elements is also a national security priority.
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