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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Berlin Open Data strategy
Berlin, Germany

Berlin Open Data strategy

In 2011, the City of Berlin engaged in the development of an Open Data platform to foster transparency in public administration and the production of smart city apps.
Co-operative Glasgow
Glasgow, United Kingdom

Co-operative Glasgow

The City of Glasgow is identifying effective and sustainable ways of addressing economic and social challenges by supporting cooperatives and social enterprises and devolving power to residents.
Museum in the City
Eindhoven, Netherlands

Museum in the City

The City of Eindhoven revolutionises heritage through bold transformation
Decent Homes for the Elderly
Dar es Salaam, Tanzania

Decent Homes for the Elderly

Changing attitudes to gender equality and housing justice.
Improvement without Barriers
Medellín, Colombia

Improvement without Barriers

Increasing access and mobility for people with disabilities
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.

Community

709 citymakers online. See all
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Hyderabad, India

Kotaredu Praveena

Individual | Teacher
Nadine Bitar
Dubai, United Arab Emirates

Nadine Bitar

Individual | Thought Leader -Place-led 4.0 © and Director, Placemaking.me
Berlin, Germany

Josh Ellsworth

Individual
Barcelona (área metropolitana), Spain

Tiana Xavi

Individual | Head of International Relations
Barcelona (ciudad), Spain

Juan Carlos Fernandez Valles

Individual | Head of department
Maria Luisa Zapata
Medellín, Colombia

Maria Luisa Zapata

Individual | Deputy Director for Knowledge Management