BuGG is organising the World Congress on Greening Buildings  in Berlin from 9 to 11 June 2026. The event will explore all aspects of green buildings (roof, façade and interior greening) with the associated topics (including urban climate, rainwater management, sustainability, city of the future) and will be accompanied by a trade exhibition. On the third day of the congress, there will be the opportunity to take part in excursions to special projects in Berlin. The World Congress on Greening Buildings offers: Speakers from various countries Topics related to roof, facade, and interior greening A wide range of exhibitors at the accompanying trade exhibition A large number of cooperation and media partnerships (associations, organizations, institutions) Knowledge transfer and contacts for building greening  Demonstration of best practice examples Knowledge transfer by experts from the sector from home and abroad in parallel series of lectures and discussion rounds Networking. Meeting point. Addressing of new target groups Cross-thematic exchange of experience between city representatives, architects, urban planners, urban water management experts, industry and real estate representatives, manufacturers, processors, researchers, associations, politicians and other interested parties. The World Congress is organised by the Bundesverband GebäudeGrün e.V. (BuGG) with the support of international and national partners such as the European Federation of Green Roof & Wall Associations (EFB).  Find more information and register here.