The "Commitment towards the nature". Devoir is a duty every individual has to perform so as to maintain balance between the economy and the ecosystems. A trade off may exist between economic development, in the material sense, and the welfare of the society and environment, though this has been challenged by many reports over the past decades. Social responsibility means sustaining the equilibrium between two. It pertains not only to business organizations but also to everyone whose any action impacts the environment. This responsibility can be passive, by avoiding engaging in socially harmful acts, or active, by performing activities that directly advances social goals. Those responsibility must be inter generational since the action of one generation, have consequences on the following.