Inter Press Service: Civil society groups are challenging a six-month authorisation granted aluminium giant BHP Billiton to emit potentially dangerous fumes from its Mozal smelter into the air without treating them first. In May, the government gave BHP Billiton’s Mozal smelter, located in the town of Matola, 17 kilometres from the capital, the go-ahead to bypass two Fume Treatment Centres (FTCs) at its carbon plant, which re-processes and produces anodes for use in producing …