By Pablo Diaz, Economist and Director, Sciences Po Rennes, and Xavier Crépin, Architect and Urban Planner, Lead for the Urban School “Cities and Urban Environment,” Sciences Po Rennes By dedicating its second session to the theme of coastalization, the Organic Cities conference, “French West Coast, the rush to the West,” has shone a spotlight on a now global phenomenon: the continuous movement of populations toward maritime coastlines, particularly in France in recent years.