International audienceThis paper review efforts devoted to sustainability over the last years from different points of view. First of all, a conceptualisation and modelling of the concept is presented from a "macro" perspective. Next, some ideas of how sustainability could be implemented in a territory are given. This could be considered the "meso" vision. Finally, the "micro" perspective from the project level is tackled. In this sense, we propose a check list to select projects contributing to sustainability. This proposal is only one aspect for the beginning of a long way
