Environmental health crises, from dramatic industrial accidents to chronic unanticipated pollution, have heightened our awareness of a lack of preparedness on a global scale, and of the risks posed to human health and the environment by our societies' uncontrolled technological development and urbanization. By analyzing the sequence of events that have triggered these crises, authors Francelyne Marano and Fabien Squinazi propose solutions aimed at better anticipation and crisis management in harmony with society's concerns.