Codelco ditches 'green copper' push, eyes wider mine clean-up in two years
In 2017, the world's largest copper producer - Chile's Codelco - announced a plan to sell "green copper" at a premium price to customers using more sustainable practices like renewable energy and recycled water to cut its carbon footprint.
The project has run aground however, Codelco insiders and an executive said, as the miner realised it would struggle to guarantee its copper's sustainability once it left the mine to be melted down and taken to market. Without that, traders said, higher prices were unjustifiable.