The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...
Hindustan Copper shares surged nearly 8% as global copper prices hit record highs. Analysts expect multi-year growth driven ...
Source: mining.com Zinnwald Lithium plc, which focuses on European lithium resource development and is committed to advancing the integrated Zinnwald lithium project in Germany, recently announced ...
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