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City Diplomacy Lab

City Diplomacy Lab

Connecting cities through research, training, and practice

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  • AboutThe City Diplomacy Lab is a UN-recognized Center of Excellence and a pioneering global alliance of scholars and practitioners working on cities’ international action
    • Team
    • Associate Fellows
    • Advisory Board
    • Contact the Lab
  • ResearchProviding much-needed theoretical framing, reliable data, and comparative analyses of the vast array of bilateral and multilateral city actions and campaigns
    • Scientific Committee
  • TrainingIntegrating academic expertise and empirical evidence to provide action-oriented training programs for city diplomacy practitioners at municipal, national, and international levels
    • Capacity Development Programs
    • The City Diplomacy Student Podcast
  • EventsAdvancing the understanding and dissemination of city diplomacy as a tool for sustainable urban development through in-person, hybrid, and virtual initiatives
    • Newsletter

Local Voices, Global Impact

City diplomacy is a powerful means of advancing local priorities alongside universal values, yet it remains a relatively niche practice. Unlocking its full potential calls for sustained collaboration between scholars and practitioners to deepen understanding, strengthen capacity, and broaden its global reach.

About

The City Diplomacy Lab is an unprecedented alliance between scholars and practitioners of cities’ international action. In its capacity as a UNECE Center of Excellence, it deploys a multi-disciplinary methodology to expand the theoretical and practical understanding of city diplomacy and advise its evolution.  The Lab’s primary output consists of:  Research: The Lab provides much-needed theoretical framing,…Continue reading “About”

11Jun 202614 Jul 2026
U7 Mayors with the Nancy Declaration

The Nancy Declaration: Cities as the Foundation of Global Resilience

Adopted on June 4, 2026, at the close of the Urban7 International Mayors’ Summit, the Nancy Declaration sets out how…

14May 202612 Jun 2026
Place Stanislas, Nancy

Urban7 2026: Cities Enter the G7 Process

From June 3 to 4, 2026, the Urban7 International Mayors’ Summit in Nancy marked the first time cities took their…

1Sep 202523 Nov 2025
European Parliament

Discussing the Future of City Diplomacy: European Parliament

On 15 October 2025, the European Parliament welcomed a distinguished gathering of city leaders, EU officials, and international experts for…

Webinars

Multilevel Governance for Sustainable Buildings and Construction

10 Jul 202617 Jul 2026
Our Urban Future Webinar Series Date: Wednesday, August 26, 2026 | 3:00–4:15 p.m. CEST Format: Virtual Register here Overview of the Event Climate targets for the buildings and construction sector…
Webinars

Beating the Heat Together: City Diplomacy in a Warming World

27 Jun 202616 Jul 2026
Our Urban Future Webinar Series Date: Wednesday, July 29, 2026 | 10:00–11:15 a.m. CEST Format: Virtual Register here Overview of the Event Extreme heat has become one of the deadliest…
Events

U.S. Mayors and the Rising International Engagement of Cities

27 May 202612 Jun 2026
On 5 June 2026, U.S. mayors and senior international officials gathered in Paris for the closing side event of Urban7 2026 — a lively conversation on the growing global engagement…
Events

Nancy, International Actor: How an Intermediary City Steps onto the World Stage

10 May 202628 May 2026
What does it mean for an intermediary city to act on the global stage? On Monday, June 1, 2026, on the eve of the Urban7 International Mayors' Summit, the City of Nancy and…
Webinars

Cities and the Future of Food: Circularity, Equity, and Resilience 

8 May 202629 Jun 2026
The third session of the Our Urban Future series, co‑organized by the United Nations Environment Programme (UNEP) and the City Diplomacy Lab, examined how cities can accelerate food waste prevention and reduction as a…
Webinars

How Digitalization Is Accelerating Low-Carbon Transport Across Cities

11 Feb 20265 Mar 2026
The second session of the Our Urban Future series, co‑organized by the United Nations Environment Programme and the City Diplomacy Lab, brought together local governments, international partners, and practitioners to explore how digitalization can accelerate…
Hybrid Events

Delivering Local Climate Action — Insights from COP30

18 Nov 20254 Dec 2025
On December 1, 2025, the United Nations Environment Programme (UNEP) and the City Diplomacy Lab convened a distinguished gathering of city leaders, UN and government officials, development practitioners, and climate policy experts…
Events

A New Era of Euro-African Cooperation: Congress in Montpellier

25 Sep 202522 Nov 2025
Hosted and organized by the City and Metropolis of Montpellier, the Euro-Africa Biennale 2025 brought together leaders from cities, networks, institutions, academia, business, and civil society across both continents. As…
Events

Historic Parliamentary Dialogue Advances Strategic City Diplomacy in Italy

19 Sep 202514 May 2026
On 15 September 2025, the Italian Parliament hosted a landmark high-level event entirely focused on the strategic role of cities in international relations. The conference, “Diplomazia delle Città. Il Ruolo Strategico delle…
Events

French Senate Hosts Strategic Dialogue on Urban Diplomacy in an Era of Geopolitical Tensions

19 Sep 202527 Jun 2026
On 8 September 2025, the French Senate hosted the high-level event “Diplomatie des Villes: Le rôle stratégique des villes françaises dans les relations internationales”. The event, organised under the Chatham House Rule, created…

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Recent Posts

  • Multilevel Governance for Sustainable Buildings and Construction
  • Beating the Heat Together: City Diplomacy in a Warming World
  • The Nancy Declaration: Cities as the Foundation of Global Resilience
  • U.S. Mayors and the Rising International Engagement of Cities
  • Urban7 2026: Cities Enter the G7 Process

City Diplomacy Lab

UNECE Center of Excellence for Sustainable Urban Development
4, rue de Chevreuse
Paris, 75006
France

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    • Contact the Lab
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