The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought the exemption, emails show. The president exempted a copper smelter in ...

The IEA warns that global copper demand could exceed supply by up to 30% by 2035, driven by electrification, AI expansion, and clean energy deployment. China’s surge in refined copper output and ...

Chinese copper smelters, faced with the prospect of negative fees for turning ore into metal, are in stalemate with a major Chilean miner in talks to set a crucial benchmark for the industry. Annual ...

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Satellite tracking and analysis firm Earth-i observes 40 percent of capacity operating rates at some copper smelting plants in China. Global secondary refined recycled-content production grew by 5.5 ...

Still Bright hopes its chemical process could help replace polluting copper smelters. Demand for copper is surging, as is pollution from its dirty production processes. The founders of one startup, ...

Rio Tinto (NYSE:RIO) said late Monday it may be forced to shut down the Tomago aluminum smelter in Australia when its current power supply agreement expires at the end of 2028, as soaring electricity ...

President Donald Trump on Friday reversed an air pollution regulation introduced during the Biden administration. The rule, which was aimed at reducing emissions from copper smelters, has been ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. President Donald Trump speaks during a press conference in the Oval Office at the White House in Washington, D.C., U.S., ...

Miner Freeport Indonesia, majority-owned by the Indonesian government but operated by US mining giant Freeport McMoran. The project involves the construction of one of the world’s biggest copper ...

HANCOCK, MI – Ruby reds and glowing golds are fading to russet as Lake Superior’s crisp October winds whip across Michigan’s northernmost peninsula, heralding the arrival of spooky season. An eerie ...