“Just to meet business-as-usual trends, 115% more copper must be mined in the next 30 years than has been mined historically until now,” the study said.
“Just to meet business-as-usual trends, 115% more copper must be mined in the next 30 years than has been mined historically until now,” the study said.
aluminum is only 61% as conductive as copper, but it weighs 2x less. it is used in overhead high voltage cable.