RIO DE JANEIRO, Jan 26 (Reuters) - Overflowing water in a mining area owned by Brazil's Vale (VALE3.SA), opens new tab caused environmental damage as it reached the local Maranhao River, Minas Gerais ...
NEW DELHI, Jan 28 (Reuters) - India is considering tightening mining auction rules to weed out developers that delay seeking clearances to mine on blocks they win at auctions, two sources familiar ...