And soybean farmers and ranchers have made Brazil home to the world's largest total deforestation: some 250,000 square miles, or 18 percent of the Amazonian rain forest.Large-scale cutting in Indonesia, Papua New Guinea, Borneo and other places has contributed to the 50 percent loss of rain forest worldwide since the 1970s.Mittermeier looks out the window of an eight-seater plane en route from Kwa