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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Helsinki Region Infoshare (HRI)
Greater Helsinki, Finland

Helsinki Region Infoshare (HRI)

In 2010, the cities of the Helsinki Metropolitan Area began sharing public data for anyone to use freely. These open datasets, available through a web platform (www.hri.fi), make it possible for citizens to develop applications and follow public decision making.
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.
Warehouse of Ideas
Waterford, Ireland

Warehouse of Ideas

A cultural quarter in Ireland’s oldest city
The Barcelona Schools Agenda 21 Program
Barcelona (ciudad), Spain

The Barcelona Schools Agenda 21 Program

The Barcelona Schools Agenda 21 Program is aimed to integrate the principles of sustainability in schools’ educational programs.
C6 Finland - Finnish Alliance model
Helsinki, Finland

C6 Finland - Finnish Alliance model

A bold new experiment in multilevel collaboration
Dublin City Council Culture Company
Dublin, Ireland

Dublin City Council Culture Company

Connecting people through culture and conversation

Community

709 citymakers online. See all
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Berlin, Germany

Andreas Jaeger

Individual | Urban Planner & Policy Researcher
Berlin, Germany

Inga Treitler

Individual | Director
Adriana Rofman
Buenos Aires, Argentina

Adriana Rofman

Individual | Professor /researcher at Universidad Nacional de Gral. Sarmiento
London, United Kingdom

Oliver Walker

Individual | Knowledge and Learning Officer
Bogotá, Colombia

Avantika Raghav

Individual | EDUCATOR
Montijo Michelle
Mexico City, Mexico

Montijo Michelle

Individual | Biologist