Opinion, by Michael Royster
RIO DE JANEIRO, BRAZIL - Brumadinho is a municipality south of Belo Horizonte, the capital of Minas Gerais, where some 12 million cubic meters of iron ore tailings were impounded — until late last month when the “Feijão” dam broke, with catastrophic consequences — estimates are that some 300 lives have been lost.
Vale S.A., once known as Companhia Vale do Rio Doce (CVRD) but now universally called simply “Vale”, is a mining behemoth, the world’s largest producer of iron ore. Much of its production of iron ore is in Minas Gerais, where it has dozens . . .