Madeleine Finlay hears from the Guardian’s Europe environment correspondent Ajit Niranjan, and from wealth correspondent Rupert Neate, about the highly polluting transport habits of the ultra-wealthy. From private jets to superyachts, the emissions produced by the super-rich as they travel around the globe are contributing to staggering inequalities in carbon footprints between the richest 1% and the rest of humanity. Help support our independent journalism at theguardian.com/sciencepod