Ecological Risks No 18, 2003/2 - pagesPages 7 to 8EditorialPages 9 to 26A Critical Review of the Precautionary PrincipleBy Catherine LarrèrePages 27 to 42The Origins of EcologyBy Patrick MatagnePages 43 to 57Close Encounters of the Third Kind between Ecosystems: When Ecology Becomes IndustrialBy Franck-Dominique VivienPages 59 to 72Risk and Innovation: A Sociological ViewpointBy Patrick Peretti-WatelPages 73 to 89Environmental Innovations. An Application to Agro-food SystemsBy Nacer Gasmi, Gilles GrolleauPages 91 to 112Sustainable Development for Cities and Transportation: The Car, the Environment, and Individual BehaviorsBy Philippe VrainPages 113 to 138Problems and Solutions for Corporations and Communities in Tapping Environmental InnovationsBy Regis MaubreyPages 139 to 165Economists and Ecology: Lessons from HistoryBy Sophie BoutillierPages 167 to 177The Issue of Protected Industrial SitesBy Jeanne-Marie WaillyPages 179 to 197About