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Gold mining operations are shown in Huepetuhe, Peru, on Thursday, June 30, 2011. Perhaps nowhere else in the Amazon is the battle between mining's economic possibility and environmental impact more apparent than in the state of Madre de Dios, where thousands of people depend on the industry to survive and a majority of miners operate illegally. Photographer: Dado Galdieri/Bloomberg via Getty Images

Gold mining operations are shown in Huepetuhe, Peru, on Thursday, June 30, 2011. Perhaps nowhere else in the Amazon is the battle between mining's economic possibility and environmental impact more apparent than in the state of Madre de Dios, where thousands of people depend on the industry to survive and a majority of miners operate illegally. Photographer: Dado Galdieri/Bloomberg via Getty Images