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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Case studies

564 case studies online. See all
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Morus Association: a grassroots approach to refugee integration
Metropolitan City of Turin, Italy

Morus Association: a grassroots approach to refugee integration

A community-led initiative with multi-stakeholder support to facilitate the integration of refugees outside Turin in the Lanzo Valleys.
Sustainability in The Hague neighbourhoods; participation in co-creation
The Hague, Netherlands

Sustainability in The Hague neighbourhoods; participation in co-creation

The Hague is harnessing the commitment, time and skills of citizens to help achieve its goal of becoming climate neutral by 2040. Practical support and grants for cooperative action at grassroots level are turning good ideas into reality across the city.
Integrated Metropolitan Governance in Rosario
Rosario, Argentina

Integrated Metropolitan Governance in Rosario

Through the creation of new metropolitan structures, Rosario Metropolitan Area strives for an integrated approach of metropolitan planning processes.
Eco-park of the Mediterranean – Barcelona Waste Management Facility
Barcelona (área metropolitana), Spain

Eco-park of the Mediterranean – Barcelona Waste Management Facility

Eco-park of the Mediterranean is an integrated treatment facility for municipal waste in the Barcelona Metropolitan Area (AMB). The project is part of an urban renewal plan developed for the district of Sant Adrià de Besòs.
SIPHO - Intermediation Service for People in the Process of Evictions and Occupancies
Barcelona (ciudad), Spain

SIPHO - Intermediation Service for People in the Process of Evictions and Occupancies

This program provides urgent, coordinated support for people at risk of becoming homeless in the city of Barcelona.
Seoul Night Bus based on Big Data Technology
Seoul , South Korea

Seoul Night Bus based on Big Data Technology

The Seoul Night Bus, also known as the "Owl Bus", makes Seoul’s public transportation service ceaseless for the city’s late night commuters

Community

710 citymakers online. See all
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Johannesburg, South Africa

Zarina Goondiwala

Individual | Knowledge Manager
Ralf Lippold
Dresden, Germany

Ralf Lippold

Individual | Economist & Intrapreneur
Guangzhou, China

Shiyao Huang

Individual
Diego  Fernández
Buenos Aires, Argentina

Diego Fernández

Individual | Secretary of Social & Urban Integration
Lisbon, Portugal

Sofia Pereira

Individual | sociologist
Brasilia, Brazil

Diana Meirelles da Motta

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