Buzzword, magic word, non-word It is certainly a bit of everything. Another certainty is that we cannot tackle present and future challenges without sustainable thinking, action and planning. Environmental impacts, the scarcity of resources, the increase in motorisation and congested infrastructures need alternative concepts and technologies. Both locally and globally. As a member of the German Sustainable Building Council (DGNB), we have integrated the concept of holistic planning in the same vein as our responsibility towards ecology, economy, our staff and present and future generations.