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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Flood Information System of the State of Paraná, Brazil
State of Paraná, Brazil

Flood Information System of the State of Paraná, Brazil

The quality and timeliness of flood warning need to be improved in many places in Brazil. To achieve this aim a complex multi-level and multi-dimensional process is required. The State of Paraná in Brazil has undertaken such a process with promising results.
Baby, think it over
Florencia, Colombia

Baby, think it over

Experiential learning with robot babies to prevent teenage pregnancies and reduce poverty
La Lainière Project House
European Metropolis of Lille, France

La Lainière Project House

La Lainière Project House demonstrates the cradle-to-cradle (C2C) philosophy in action.
Aga Khan Trust for Culture, Nizamuddin Urban Renewal Initiative
Delhi, India

Aga Khan Trust for Culture, Nizamuddin Urban Renewal Initiative

The Urban renewal project taken up by the Aga Khan Foundation revitalizes and unifies various segregated heritage sites around Humayun's tomb and Sunder nursery.
Urban Micro Parks
Fortaleza, Brazil

Urban Micro Parks

Transforming degraded land into useable public space
Participatory Development Programme in Urban Areas (PDP)
Cairo, Egypt

Participatory Development Programme in Urban Areas (PDP)

This project advises concepts and methods of participatory community development and grass roots based waste management in informal urban areas.

Community

710 citymakers online. See all
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Olimpia Pantelimon
Edmonton, Canada

Olimpia Pantelimon

Individual | Urban Planner / Urbaniste
Cristina Elizabeth Bloj
Rosario, Argentina

Cristina Elizabeth Bloj

Individual | Professor and Researcher (Universidad Nacional de Rosario-Argentina) /Freelance Consultant (ECLAC/UN Women/EUROSOCIAL
Berlin, Germany

Lennart Kehlenbeck

Individual
Budapest, Hungary

Ivan Tosics

Individual | managing director, Metropolitan Research Institute, Budapest
Rosa Quintana
Montevideo, Uruguay

Rosa Quintana

Individual | Coordinación Ejecutiva
Berlin, Germany

Eva Exner

Individual | Projektmanagement