With a shortage looming, WSJ explains why copper is crucial to the global economy, and how its availability threatens a green-tech transition. Photo Illustration: Ali Larkin Some days the high ...

Rio Tinto is betting that U.S. President Donald Trump will finally give the green light to its giant copper mine in Arizona, the Financial Times reported on Wednesday.

(MENAFN- Yolo Wire) commodities traders and investors have turned bullish ... the world. Copper is a key metal used in electric vehicles, wind turbines, and other so called “green energy ...

Copper sheets and strips go through a carefully controlled pre-oxidization and pre-patination process to immediately provide the same brown oxidized and green or blue patinated surface that would ...