It's never been more important to find a mining waste fix
Late January marked the fifth anniversary of the world's worst modern-day tailings dam disaster at an iron ore mine in Brumadinho, Brazil. The collapse killed at least 270 people. They were mostly Vale company employees eating lunch in a canteen directly below a dam that gave way, sending a tidal wave of 12 million cubic metres of toxic orange sludge eight kilometres downstream, bulldozing houses, offices and people.