BHP is going ahead with Jansen stage two expansion, even before the first phase of the Canadian potash mine is in production.

Amid a wider slump, MINING.COM’s ranking was lit up by newcomer Amman Minerals, which now sits just outside the top 10 after minting at least six new billionaires since its July IPO.

The massive capital outlays required by the green energy transition have become a top mining boardroom agenda item, says new survey.

Producing biological charcoal and burying it in soils is a way of storing carbon for centuries.