Polluting metals may be greener than you think, Citigroup says
Contrary to conventional wisdom, analysts including Max Layton found that metals like copper, nickel, aluminum and steel can drive down global-warming gases.
Currently there are no set of universal rules defining exactly what a tailings dam is, how to build one and how to care for it after it is decommissioned.
The world’s biggest iron ore producer said the injunction will impact production at its massive Brucutu mine, as it will now take longer than expected to bring it back on line.