Mining giants BHP Billiton and its partners, including Rio Tinto, will spend $US3 billion ($A3.2 billion) to build a new seawater desalination plant at the Escondida mine in Chile.
Mining giants BHP Billiton and its partners, including Rio Tinto, will spend $US3 billion ($A3.2 billion) to build a new seawater desalination plant at the Escondida mine in Chile.