For and from citymakers around the globe

use our platform to explore sustainable city making.

That's a wrap on 2025!

700+ citymakers, 440+ cities, one shared mission.

Closing the Digital Divide

An interview with citizen participation expert Adrià Duarte (UCLG), exploring how cities can use digital tools to strengthen local democracy, and put human rights at the centre of digital transformation.

e-sabha app

Connecting Communities with Local Authorities and Government Agencies on a Single Platform.

C6 Finland - Finnish Alliance model

A bold new experiment in multilevel collaboration

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use (urban sustainability exchange) is a knowledge exchange platform dedicated to sustainable city making. use connects citymakers and encourages the exchange of ideas and experiences to effect positive sustainable change.

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441 cities online.

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Case studies

564 case studies online. See all
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Jugendcollege: training and education for young migrants in Vienna
Vienna, Austria

Jugendcollege: training and education for young migrants in Vienna

Jugendcollege provides free education, training and a mentoring programme for young migrants, asylum seekers and persons entitled to an asylum or subsidiary protection allowance aged between 15 and 21 in Vienna.
Uruguay Kitchen Program
Montevideo, Uruguay

Uruguay Kitchen Program

A food education program that promotes good health and wellbeing through citizen participation.
Improving Traffic Safety near Schools
Xianning, China

Improving Traffic Safety near Schools

A low-carbon initiative to change travel behaviours
Quinto Centenario Cycle Avenue
Bogotá, Colombia

Quinto Centenario Cycle Avenue

The C40 Cities Finance Facility is supporting a cycling transformation in the city of Bogotá by providing technical assistance to the city administration to help fund new high-quality cycling infrastructure.
Intersections: Dialogues on Inequalities
Montevideo, Uruguay

Intersections: Dialogues on Inequalities

Design of local policy agenda that addresses the principle of intersectionality
UrbaSEN and the Senegalese Federation of Inhabitants
Dakar, Senegal

UrbaSEN and the Senegalese Federation of Inhabitants

Building a culture of participatory urban planning.

Community

709 citymakers online. See all
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Seyedparham Mortazavian
Berlin, Germany

Seyedparham Mortazavian

Individual | Urban Planning and Architecture
Alexis Roig
Barcelona (ciudad), Spain

Alexis Roig

Individual
Kazeem Dr. Kazeem Oluwakemi Oseni
Lagos, Nigeria

Kazeem Dr. Kazeem Oluwakemi Oseni

Individual | Assistant Professor in Information Technology/CEO of NGO/Project Manager
Immo Janssen
Berlin, Germany

Immo Janssen

Individual | Researcher & Project Assistant
Madrid, Spain

David García Álvarez

Individual | Assistant Professor
Brasilia, Brazil

Diana Meirelles da Motta

Individual | Call for international 4 jury members/projects of the 3rd edition of the Metropolis pilot projects