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’s City Tree Campaign
Berlin, Germany

Berlin’s City Tree Campaign

The aim of the Berlin’s City Tree Campaign is to plant and care sustainably for up to 10,000 additional roadside trees between 2012 and 2017. The trees, which are partly funded by donations, contribute to improve people’s quality of life in the city.
District Marketplace Management and Administration Model
Bogotá, Colombia

District Marketplace Management and Administration Model

A comprehensive business model to revitalise Bogota's marketplaces.
Youth election project U18
Berlin, Germany

Youth election project U18

The U18 initiative is a simulated vote that takes place nine days ahead of real ‘adult’ elections, either local or national. The project is designed to generate an interest in politics amongst young people and supplement their political education.
Innova.TO, Turin's municipal innovation program
Metropolitan City of Turin, Italy

Innova.TO, Turin's municipal innovation program

10,000 municipal employees = 10,000 potential innovators.
Community-Driven Housing and Informal Settlement Upgrading
Gobabis, Namibia

Community-Driven Housing and Informal Settlement Upgrading

Addressing the urgent informal settlement crisis in Namibia
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.

Community

709 citymakers online. See all
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Iris Belle
stuttgart, Germany

Iris Belle

Individual | Professor / Dean of Studies International Master Programme Smart City Solutions
Jens Burkhardt
Berlin, Germany

Jens Burkhardt

Individual | Chief Digital Officer / Head of Corporate Development
Kristin Bolanz
Berlin, Germany

Kristin Bolanz

Individual | Student
Grand Paris, France

Maria Giorda

Individual | Student in urban studies at Sciences Po Paris
Juliane Frohloff
Berlin, Germany

Juliane Frohloff

Individual | projekt manager
Madison, United States

Satya Rhodes-Conway

Individual | Managing Director, Mayors Innovation Project.