Dr Philip Smith, Digital and Education Editor of Gut and Consultant Gastroenterologist at the Royal Liverpool Hospital, Liverpool, UK interviews Professor Desmond Leddin, who is from the Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada, on the paper 'Climate change: a survey of global gastroenterology society leadership' published in paper copy in Gut in October 2022 and available online at: https://gut.bmj.com/content/71/10/1929