Nour Haydar speaks with Christopher Knaus about the BHP files – 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

Additional audio in this episode was sourced by Financial Times Live

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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

• Revealed: the internal BHP memo that slammed the brakes on world’s biggest miner’s climate push

• Read more from the BHP files investigation here

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BHP has continued to spend hundreds of millions of dollars buying diesel trucks in the Pilbara despite internal documents suggesting it would increase emissions and be “misaligned” with its decarbonisation goals.

The mining giant is Australia’s biggest consumer of diesel and trucks are its biggest single source of diesel emissions. Replacing the fleet with battery-electric trucks is considered a critical step in the multinational’s efforts to decarbonise.

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

• Revealed: the internal BHP memo that slammed the brakes on world’s biggest miner’s climate push

• Read more from the BHP files investigation here

• Get our breaking news email, free app or daily news podcast

The world’s biggest miner has halted or delayed projects to cut vast amounts of emissions and has quietly war-gamed options to push major climate investments in its Western Australian iron ore operations into the next two decades, internal documents show.

An exclusive investigation based on documents leaked to the Guardian and the ABC’s Four Corners can reveal that BHP, one of Australia’s biggest historic emitters, has dumped plans for a facility that could have significantly reduced emissions and has put on ice renewable projects designed to power its iron ore operations in the vast, resource-rich Pilbara region.

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

• Read more from the BHP files investigation here

In the middle of 2019, London was sweltering through a heatwave.

Temperature records tumbled. Frail, ill and elderly people died in their hundreds.