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 pus