A year ago at Cop26, global environment editor Jonathan Watts caught up with two climate scientists to hear what they thought about the progress made. A lot has happened in the intervening 12 months, and the world hasn’t stayed on track with its previous promises and pledges. Global carbon dioxide emissions from fossil fuels are expected to increase by 1% in 2022, hitting 37.5 billion tonnes – a record high. Ian Sample called them both up to find out how they’re feeling now. Speaking to Prof Peter Stott, Ian asks whether the 1.5C goal is still alive, and questions Katharine Hayhoe on how she stays hopeful. Help support our independent journalism at https://www.theguardian.com/sciencepod">theguardian.com/sciencepod