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.
Greening The Grassroots in Petaling Jaya
Petaling Jaya, Malaysia

Greening The Grassroots in Petaling Jaya

Based on business and community participation, the Greening The Grassroots programme will assist with the transformation of Petaling Jaya into a low carbon city by 2020 with government support.
KRACH - Kreativraum Chemnitz
Chemnitz, Germany

KRACH - Kreativraum Chemnitz

Rent free space allows innovation to flourish.
Cuitláhuac Park
Mexico City, Mexico

Cuitláhuac Park

Transforming marginalized city areas into green spaces that foster social, economic, and environmental growth
Forum of Expertise – Active Ageing Initiative
Ramallah, Palestine

Forum of Expertise – Active Ageing Initiative

A knowledge-based community center for senior citizens
Participation for Neighborhood Improvement and Co-existence
Heredia, Costa Rica

Participation for Neighborhood Improvement and Co-existence

This project aims towards neighborhood improvement by combining upgrading of public space with capacity building.

Community

709 citymakers online. See all
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Guangzhou, China

Shiyao Huang

Individual
Frank Martz
Altamonte Springs, United States

Frank Martz

Individual | City Manager
Miguel Rodrigues
São Paulo, Brazil

Miguel Rodrigues

Individual | CEO
Milan, Italy

Giulia Sicignano

Individual
Albert Rojas
Barcelona (ciudad), Spain

Albert Rojas

Individual | Promoter of community and eco-social transformation projects
Tehran, Iran

Behdad Abdollahi

Individual | International Co-operations