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

Abba Eban

"Then I say the Earth belongs to each generation during its course, fully and in its right no generation can contract debts greater than may be paid during the course of its existence"

Thomas Jefferson, September 6, 1789

"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 June 28 – July 2, 2020 in Sarajevo.
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.

Online fees apply in that case

Practical info


Important travel information regarding entering Bosnia and Herzegovina:

Bosnia and Herzegovina has opened its borders as of June 1st, and the airport in Sarajevo is also opened again.

Authors from Croatia, Serbia and Montenegro may enter Bosnia and Herzegovina without any limitations, with passport or ID card.

Authors from countries with visa-free entry regime (check here may enter Bosnia and Herzegovina with

  • (any type of) negative SARS-COV-2 test, not older than 48 h,
  • an invitation letter from the conference organizers. In order to get the letter, please send your passport number to

Authors from countries that need a visa to enter Bosnia and Herzegovina need to contact without delay.




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.