Greenroofs.com is once again a media partner of the World Congress on Greening Buildings 2026 and we are pleased to share the news with you. The organizer BuGG (German Association for Green Buildings) will take place in Berlin from June 9th to 11th, 2026 and has announced early bird registration rates as well as calls for proposals for lectures and posters.
Important dates and links:
Early bird ticket sales are open: December 12, 2025
Call for contributions: Now open until January 31, 2026
Call for poster submissions: Now open until February 28, 2026
Audience at the World Congress on Greening Buildings 2023; Dr. Patrick Blanc; Dr. Manfred Köhler. Image: BuGG
The World Congress on Building Greening 2026 in Berlin is a three-day event on all aspects of green buildings (roof, facade and interior greening) with associated topics such as urban climate, rainwater management, sustainability, the city of the future and much more.
Look forward to many interesting and well-known speakers such as Prof. Mun Summ Wong, co-founder of Singapore-based WOHA; Prof. Werner Sobek, founder of the Werner Sobek company; Dr. Patrick Blanc (French botanist and inventor of the vertical garden, Green wall; Prof. Manfred Köhler, founder of the Green Roof Research Center at Neubrandenburg University of Applied Sciences, co-founder of the World Green Infrastructure Network (WGIN) and many more.
Important lecture topics
- Urban strategies (City dialogue, subsidies, water- and climate-sensitive urban development, urban resilience and cities of the future)
- sustainability (ecological concepts, sustainability in urban development, economic and social aspects)
- Health (Climate adaptation, quality of life, air quality (fine dust and nitrogen oxides)
- biodiversity (Biological diversity, plant selection, species and insect protection)
- market (Data, figures and facts, potential analysis and green roof index)
- policy (Attitude of politicians towards greening buildings in Germany, Europe and the world)
- Stormwater management (blue-green infrastructure, flood protection and retention roofs)
- Built examples (Best practices in green architecture, industrial and residential construction, high-rise greening, urban agriculture)
- technology (Basics, high-tech solutions, innovation and monitoring)
Call for contributions: Apply for a scientific lecture at the World Congress on Greening of Buildings 2026. Please submit your application in German or English with all necessary information and documents by January 31, 2026 at the latest. See: https://www.bugg-worldcongress2026.com/en/call-for-paper.html
Call for poster submissions: You can now also apply to submit a scientific (non-advertising) contribution to the poster exhibition at the World Congress on Greening of Buildings 2026. In addition to scientific topics, lectures on specific strategies for greening buildings and rainwater management are also welcome. Posters can be submitted in German or English. See: https://www.bugg-worldcongress2026.com/en/call-for-poster.html
Trade exhibition & Berlin excursions
Brandenburg Gate. Image: BuGG
The congress is accompanied by a specialist exhibition.
On the third day of the congress you have the opportunity to take part in excursions to special projects in Berlin.
The World Congress is organized by the Federal Association of BuildingGreen eV (BuGG) with the support of international and national partners such as the European Federation of Green Roof & Wall Associations (EFB).
BuGG says: “We look forward to your submission!”
Check out the congress website: World Congress on Green Buildings 2026
If you have any questions about the World Congress on Greening of Buildings 2026, please contact:
Sylvia van Meegen
Team leader, headquarters: [email protected]
Federal Association of BuildingGreen eV (BuGG)
Seat:
Albrechtstrasse 13
10117 Berlin
Tel: 0049 30-40054102
Office:
In the birches 11
66130 Saarbrücken
Tel.: 0049 681-9880570
Fax: 0049 681-9880572
Home office: 0049 (0) 1520-8745490
www.gebaeudegruen.info
www.bugg.de
President: Dr. Gunter Mann
About Federal Association of Building Greens e. V. – BuGG:
BuGG is a professional organization dedicated to promoting green roofs, green facades and interior greening as critical solutions for climate adaptation and urban sustainability. BuGG pursues the overarching goal of making roof, facade and interior greening accessible to as broad an audience as possible and of creating positive framework conditions using company-neutral means. BuGG is both a professional association and an interest group for the topic itself, but also for companies, cities, universities, organizations and everyone who is interested in greening buildings.