Scarred but wiser, BHP says it is ready to start investing again.
Mining investment rose by 5.1% in the June quarter - the first rise since the March quarter
Investors sue BHP over Samarco tailings dam disaster.
'Pure play' coal just doesn't cut it for UniSuper.
Investors worth $1 trillion say no to coal.
IPO hopeful Nickel Mines set to lodge prospectus.