"History teaches us that men and nations behave wisely once they have exhausted all other alternatives"

Abba Eban

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs."

The Report of the U.N. Brundtland Commission, Our Common Future, 1987

"If there are to be problems, may they come during my life-time so that I can resolve them and give my children the chance of a good life."

Kenyan proverb

The conference is planned to be held September 1-5, 2020 in Cologne.
In case there are still travel disruptions for some countries, the conference will enable online presentations of such papers that will have the same publishing procedure as if presented in person.

Practical info


On these pages find out how to apply for a Schengen visa and come to Cologne, Germany where the Conference will be held. Information on the Conference venue and accommodation possibilities can be found from the menus on the side.

If you cannot find the information you need, please contact us at


Useful links to explore while planning your trip to Cologne:

Cologne Tourist Board:

Blog of Cologne Tourist Board:



Benchmarking the performance of cities across energy, water and environment systems
related metrics presents an opportunity to trigger policy learning, action, and cooperation to bring cities closer to sustainable development.