Christopher Knaus

Exclusive: BHP once dubbed climate change an ‘existential’ threat. But leaked documents show it has backtracked on decarbonisation at a vast network of mines

Exclusive: Jimblebar processing facility would have produced higher quality iron ore sought by steelmakers around the world – themselves under pressure to curb pollution

Exclusive: Mining giant says technology is not yet advanced enough to run a fully electrified fleet but experts say it is hooked on federal fuel tax credits

An exclusive investigation based on documents leaked to the Guardian and the ABC’s Four Corners reveal BHP has dumped plans that could have massively reduced global emissions

Nour Haydar speaks with Christopher Knaus about the cache of internal documents leaked to the Guardian and the ABC’s Four Corners which show that the world’s biggest miner has war-gamed ways to massively delay decarbonisation

Exclusive: Cache of internal documents leaked to the Guardian and the ABC’s Four Corners show multinational has war-gamed ways to massively delay decarbonisation

Mining giant’s backsliding on climate commitments due to ‘weakness’ of policy, Kate Chaney says

Jerome Laxale breaks ranks to publicly back reforms that would also wind back the diesel fuel rebate

Head of BHP’s WA iron ore operations unable to give firm timeline for replacing diesel trucks as leaked documents reveal decarbonisation delay

Gavan Reynolds cites ‘commercial-in-confidence nature of the contract’ in declining to answer Greens senator’s question in parliament