The Science Weekly podcast is in Glasgow, where we are bringing listeners daily episodes from Cop26. Each morning you will hear from one of the Guardian’s award-winning environment team. Today, the Guardian’s biodiversity reporter, Phoebe Weston, talks to one of the world’s leading marine ecologists, Dr Enric Sala, about the role our oceans can play in preventing climate catastrophe. Help support our independent journalism at theguardian.com/sciencepod