Rio Tinto's Oyu Tolgoi mine threatens herders, delights investors

…30 percent of Mongolia’s annual economic output. See http://www.nytimes.com/2012/09/14/world/asia/oyu-tolgoi-mine-in-khanbogd-is-transforming-mongolia.html?_r=1&src=recg. Investors shrug news of fresh Mongolia bid for control of Oyu Tolgoi as Turquoise Hill climbs 15% Investors in Turquoise Hill…