Daniel Florentin is an assistant professor in environmental and urban studies at ISIGE Mines ParisTech (Institut Supérieur d’Ingénierie et de Gestion de l’Environnement – Higher Institute of Environmental Engineering and Management). His work focuses on the way in which environmental, energy and sociopolitical transitions transform urban utilities (water and energy networks). More specifically, his research is concerned with the challenges of urban shrinkage and maintenance issues.