Copper exchange inventories have climbed above 1 million tons for the first time in 21 years. Meanwhile, smelter activity has ...

WASHINGTON (Reuters) -U.S. President Donald Trump on Friday reversed a Biden-era air pollution rule that had imposed stricter limits on emissions from copper smelters. The copper rule, finalized in ...

Limited refining capacity for metals such as copper, aluminum, nickel, graphite and rare earths is creating a strategic ...

Copper prices have come under pressure in recent weeks as macro headwinds combine with softer physical demand signals.

The European bank’s commodities strategist points to oversupply while Earth-I tracking indicates Chinese smelters ramped up their output in February.

The oldest and most intact copper smelting site in the world is now open for tours. Perched on the shores of the Keweenaw Waterway, the Quincy Smelter is the last of its kind. Opened in 1890s, the ...

Add Yahoo as a preferred source to see more of our stories on Google. The site, shown here, was originally excavated during the Soviet period and was relocated using hand draw maps from a 1964 book.

Explosives maker Dyno Nobel has sold its Phosphate Hill fertiliser plant for just $1 in a move which shores up the future of more than 1100 workers in Queensland, at least for the time being.

TOKYO (Reuters) -JX Advanced Metals will likely cut copper production by tens of thousands of metric tons in fiscal 2025 compared with earlier plans and unveil a roadmap to reduce smelting capacity by ...