City Trialogue in Vienna: Working Together for a Sustainable and Livable Future

PeoplePoliticians ♦ Published: June 13, 2025; 10:02 ♦ (Vindobona)

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.

The fifth city trialogue in Vienna once again underscored the importance of joint action and learning between leading European cities to meet the challenges of the present and shape a sustainable and livable future for their citizens. / Picture: © City of Vienna/Christian Jobst

Vienna's Mayor Michael Ludwig welcomed Zurich's Mayor Corine Mauch and Hamburg's First Mayor Peter Tschentscher for intensive working discussions and a themed program that highlighted Vienna's pioneering role in these areas. The two-day visit offered guests from Zurich and Hamburg exciting insights into Vienna's forward-looking projects.

The first stop was the large heat pump in…