Solution Project Type is an adaptation of the Root Type Project with specific sustainability space's attributes: Leaders = the Change agent who leads the project / SDG = SDG, the project relates to / Topics = Topics the project relates to / Location = Territoriality is a fundamental concept of sustainability, it allows to better understand problems, to better solve them / Goals: the project must be related to one of the 4 solution goals (Towards a sustainable planet, economy, society, life).