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A dirt road cuts through a section of rain forest in the southern part of the Amazonian state of Para, near Anapu, Brazil, on Tuesday, Dec. 16, 2014. The rate of deforestation Brazil's Amazon rain forest dropped 18 percent over the last year, according to a report by the country's environment minister in November. Photographer: Dado Galdieri/Bloomberg via Getty Images

A dirt road cuts through a section of rain forest in the southern part of the Amazonian state of Para, near Anapu, Brazil, on Tuesday, Dec. 16, 2014. The rate of deforestation Brazil's Amazon rain forest dropped 18 percent over the last year, according to a report by the country's environment minister in November. Photographer: Dado Galdieri/Bloomberg via Getty Images