In Hunt for Rare Earths, Companies Are Scouring Mining Waste

Yale e360
Jan 21, 2026, 1:37 pm173 pts
Tailings and acid mine drainage from mines contain critical minerals needed for clean energy technologies. Now, researchers are developing new techniques for retrieving these key metals, which could reduce the need for new mines and help clean up pollution at old mining sites. Read more on E360 →

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