Where Raptors Roamed Rio’s Copper Dream Stirs Water Worry

Where Raptors Roamed Rio’s Copper Dream Stirs Water Worry

Tomohiro Ohsumi/Bloomberg

A worker inspects a sample copper-gold ore rock using a loupe at the Oyu Tolgoi copper-gold mine, jointly owned by Rio Tinto Group's unit Turquoise Hill Resources Ltd. and Erdenes Oyu Tolgoi LLC, in Khanbogd, the South Gobi desert, Mongolia, on June 7, 2013.