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Mannheim goes online!


The only constant in life is change: Mannheim2020 is going online! Local transformation needs to be brought to the next level in all aspects of society. Europe needs solutions for major environmental, economic and social challenges now more than ever.


Join us for the 9th European Conference on Sustainable Cities & Towns to take transformation forward.


30 September - 2 October

No participation fees

Interactive format


ICLEI - Local Governments for Sustainability and our pioneering virtual host the City of Mannheim will bring together local and regional leaders, European and international institutions and  some of the brightest minds working on cutting edge research, businesses and the civil society to forge a more sustainable Europe in #Mannheim2020.



Hosted by the City of Mannheim, and ICLEI Europe, the European Conference on Sustainable Cities and Towns will open its doors for the 9th time from 30 September – 2 October 2020. The conference will demonstrate the urgent need for local governments to assume responsibility for urban transformation and lead the way in guiding Europe towards a secure and sustainable future. Join the 9th European Conference on Sustainable Cities & Towns to take transformation forward!


The event has been transformed into a digital event! It is now free of charge and open to more participants.  You can check the program here.


Held every three years, the conference is the multi-level interface between the European Union and sustainability action at local level. Join over 800 participants from local and regional governments, European and international institutions, multilateral organisations, the research community, business and civil society.


The main topics adressed during the event will evolve around the role of cities in energy transition ; the impact of the European Green Deal or of the digitalisation ; Perspectives regarding sustainable economy ; the role of citizen in shaping the future of sustainable cities ; …


Registration available here.


ICLEI European Secretariat
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