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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SciTech DiploHub
Barcelona (ciudad), Spain

SciTech DiploHub

Implementing a Science and Technology Diplomacy Strategy.
Shared Bicycle System of Bogotá D.C.
Bogotá, Colombia

Shared Bicycle System of Bogotá D.C.

Promoting accessibility, equity, and inclusion.
Gwangju Carbon Bank system
Gwangju, South Korea

Gwangju Carbon Bank system

In 2008, the City of Gwangju has initiated a program to spark voluntary carbon-saving steps by citizens. Five years later, 1.5 million Gwangju citizens were already participating or 62 percent of the city’s population.
Material recovery Facility at the New Delhi Railway Station
New Delhi - NIUA, India

Material recovery Facility at the New Delhi Railway Station

The Chintan recycling project at the New Delhi Railway Station manages tons of unsorted garbage every day and enables waste-pickers to carry out their livelihoods in a clean and dignified work environment.
Urban Agroforestry
Belo Horizonte, Brazil

Urban Agroforestry

Building community agroforests to ensure food security for citizens.
Gender Mainstreaming in City Development
Berlin, Germany

Gender Mainstreaming in City Development

The program considers the needs of the different lifestyles existent in a city when planning urban development and building projects.

Community

709 citymakers online. See all
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Barcelona (ciudad), Spain

Juan Carlos Fernandez Valles

Individual | Head of department
Farzaneh Feizi
Tehran, Iran

Farzaneh Feizi

Individual | environmental researcher
Javier Duarte
Bogotá, Colombia

Javier Duarte

Individual | Architect & Urbanist
Copenhagen, Denmark

Christer Andersen

Individual
Aazddine EL KASS
Rabat, Morocco

Aazddine EL KASS

Individual | Research student
Kurt Pommerenke
Dortmund, Germany

Kurt Pommerenke

Individual | Project Manager