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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Boosting energy efficiency
Metropolitan City of Turin, Italy

Boosting energy efficiency

Energy efficiency interventions for public buildings and lighting systems.
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.
SISS-Geo
São José dos Pinhais, Brazil

SISS-Geo

A collaborative technology platform that monitors wildlife health risks
The Barcelona Schools Agenda 21 Program
Barcelona (ciudad), Spain

The Barcelona Schools Agenda 21 Program

The Barcelona Schools Agenda 21 Program is aimed to integrate the principles of sustainability in schools’ educational programs.
A neighbourhood public utility park
Bucharest, Romania

A neighbourhood public utility park

The city of Bucharest is promoting sustainable growth and social cohesion through the creation of a multipurpose public park.
Don’t sleep, or you will be outvoted
Gdańsk, Poland

Don’t sleep, or you will be outvoted

A viral call to action

Community

710 citymakers online. See all
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Philipp Schwarz
Munich, Germany

Philipp Schwarz

Institution | Founder
Petra Warman
Berlin, Germany

Petra Warman

Individual
Bengaluru, India

Arun Jain

Individual | Urban Designer, Urban Strategist
Barcelona (ciudad), Spain

Arco Ines

Individual
Jens Burkhardt
Berlin, Germany

Jens Burkhardt

Individual | Chief Digital Officer / Head of Corporate Development
Ryan Hughes, AICP
Seattle, United States

Ryan Hughes, AICP

Individual | Urban Planning / International Economic Development