As the founder of one of the world’s biggest mining companies, Andrew ‘Twiggy’ Forrest has done more to advance global heating than some small countries. But Twiggy has more recently become an advocate for climate action, and is betting the future of his empire on a green transition.

Today, contributor to The Saturday Paper Marc Moncrief on the chaos at Fortescue, and whether Twiggy really is a climate messiah.