Broomhead certainly earned a reputation for asking interesting questions that challenged the management during his time in the BHP boardroom. He was understood to favour the bulldozer as a solution for the unreliable performance at the Olympic Dam copper mine and reports suggested he strongly pushed back against former chief executive Andrew Mackenzie’s desire for BHP to set goals for the scope 3 emissions of customers in 2019. “That was a total beat-up that Andrew and I had had a total fallout over scope 3. I don’t recall it, and he doesn’t recall it. But it got some legs,” says…