The oil man in charge of averting climate catastrophe

Climate change is an “immense economic opportunity,” says Sultan Ahmed al-Jaber. But activists were outraged when the the CEO of the UAE’s state-run oil company was tasked with leading this year’s UN climate talks. The Guardian’s Fiona Harvey shares insights from recent interviews with al-Jaber. What On Earth’s new columnist Chúk Odenigbo tells us how his fight for climate justice started with a nude photoshoot in a park. And, scientists are working to understand the impact of wildfire smoke on glaciers.