Ian Sample hears from the Guardian’s Europe environment correspondent, Ajit Niranjan, about the reporting he has been doing for the launch of our new Europe edition. He talks about Osijek, a Croatian city that has the highest heat mortality rate in Europe … but no one knows why. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>