Guardian: When the renowned Brazilian photographer Sebastio Salgado took over family land in the state of Minas Gerais, instead of the tropical paradise that he remembered as a child, he found the trees cut down and the wildlife gone. He was devastated. It was 1994 and he had just returned from a traumatic assignment reporting on the genocide in Rwanda, he told a meeting of religious leaders discussing climate change in Paris this week. The land was as sick as I was everything was destroyed, said Salgado....