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We Need Copper, and These New Methods Could Make Refining It a Lot Cleaner Element 29 is one of the critical metals for our energy transition.
Copper has generally been a contentious metal, existing side by side with violent political upheavals, bitter labor strife and speculative price binges. It is the modern metal of communications, a ...
Second to silver, a rarer and far more expensive metal, copper is the best natural electrical conductor on Earth. We need it for solar panels, wind turbines, and electric vehicles.