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Peter Tschentscher
City Trialogue in Vienna: Working Together for a Sustainable and Livable Future
The mayors of Zurich, Hamburg, and Vienna met in the Austrian capital for the fifth “City Trialogue.” This year's exchange focused on pressing issues such as climate protection, renewable energies, circular economy, technology development, health infrastructure, care, and culture.
June 13, 2025
Cooperation of the Metropolises Hamburg, Vienna and Zurich
The three German-speaking cities of Hamburg, Vienna and Zurich want to cooperate more closely in their sustainable development within the framework of a city trialogue in line with the United Nations 2030 Agenda for Sustainable Development.
June 12, 2019
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