Business models, which aims at determining how efficient can be a life cycle strategy from different point of view (customer, policy, environment, economics,…). End of life strategies, presenting recent approaches and technological solutions for end-of life treatments. Product development for sustainability, which aims at showing how designers integrate environmental conside- tions to improve their solutions. Product life cycle management, dealing with methods and tools to support life cycle considerations. This book is divided into four sections reflecting the above themes and will be of interest to academics, students and practitioners, specializing in environmental issues in mechanical engineering. We hope that you will find it of the greatest interest to compare your various points of view within the field broached throughout the conference. We hope you all - joy reading this book, which aims to be a reference textbook for all - searchers in this particular field and for the teaching staff confronted with training methodologies in integrated design and environment. It will allow you to assess the scope of the development prospects in an extremely wide ranging field. Finally, we would like to highlight the very significant input of the m- bers of the organizing committee for the success of the conference and to express our sincere appreciation to all the authors and to the members of the international program committee.