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Become a SUM Observer City

To expand the positive effects of the project to other cities in Europe and so cities can benefit from first-hand experience, SUM is  currently looking for 3 cities to join the City Observer Board.

Interested in becoming an observer city in our project? Discover the full criteria, benefits, and expectations involved in this unique opportunity. We invite you to review our detailed Terms of Reference for all the information you need to understand the scope and advantages of participation.


If you wish to get in contact, please complete the form or write directly to

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