Prodded by rising copper prices and demand, Freeport and others have developed new ways to extract the red metal from piles of waste rock stored at mine sites.
Unlike in the era of Sputnik and Apollo, the world’s top superpowers can’t even agree on basic principles to govern the next generation of space activity.
Aluminium inventories in London Metal Exchange warehouses, already at their lowest in nearly 17 years, are likely to fall further as more metal leaves the LME system and heads for Europe, where supplies are scarce.