Exclusive: ‘The preferred policy is, of course, a carbon price,’ Dr Huw McKay says, amid slowdown in BHP action on emissions Get our breaking news email, free app or daily news podcast A former chief economist at mining company BHP says stronger climate policy by governments is needed to “move the needle” and incentivise tough decarbonisation decisions at major resource companies. Internal documents, leaked to Guardian Australia and the ABC earlier this year, showed BHP had delayed vast renewa