With a sharp, aggressive strategy, the Australian Greens’ newly elected leader vows to take on corporate power and bring a “red hot fight” to coal and gas approvals. But following a turbulent week and internal party room fractures, can Senator David Shoebridge and his polarising approach rally progressive voters without deepening splits? Guardian Australia’s political editor, Tom McIlroy, speaks with the new party leader about taking on One Nation, pushing back on Aukus, and his vision for the party’s future.