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An Untapped Source of Lithium Has Just Been Found in the US
Almost two centuries after California's gold rush, the United States is on the brink of a lithium rush.
Expanding America's lithium industry, however, is highly controversial, as mining can destroy natural environments, leach toxic chemicals, and intrude on sacred Indigenous land. At the same time, however, lithium-ion batteries are considered a crucial technology in the world's transition to renewable energy, storing electricity generated by the wind and the Sun. Over vast stretches of time, deep groundwater has dissolved the lithium in these rocks, essentially "mining the subsurface", according to Justin Mackey, a researcher at the National Energy Technology Laboratory in Pennsylvania.
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