Companies are now required to provide a quantified impact of climate change to their financial performance. This has kickstarted a novel and challenging, but also fascinating, set of processes within businesses, requiring far-reaching assessment of a wide range of issues. There is huge uncertainty, but also a regulatory need to be open to the world about findings. Some of ERM’s lead team on this topic will show what this looks like behind the scenes, and give some ideas to what might happen next.