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

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.