Business Today 'Dawn of the copper age': Robert Friedland explains why red metal prices are set to double
“Since 1900, the energy we need to produce a unit of copper is up 16 fold and the amount of water we need to make a unit of copper has doubled,” he said.
“Since 1900, the energy we need to produce a unit of copper is up 16 fold and the amount of water we need to make a unit of copper has doubled,” he said.