Jean-Baptiste Frétigny is Associate Professor in Human Geography at CY Cergy Paris Université, France, and Deputy Director of the PLACES research unit. His recent work includes coediting a volume on low-cost aviation (Elsevier 2022) and another on the relationships between public spaces and mobilities (PUR 2022). He is also the author of a book on the decarbonization policies of mobilities (Éditions de la Sorbonne 2024).