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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27 Delvalle: an urban health living lab
Nice, France

27 Delvalle: an urban health living lab

The City of Nice is responding to a growing community need for providing senior citizens with quality at home healthcare by establishing a centre dedicated to digital health innovation.
Barrio Digital
La Paz, Bolivia

Barrio Digital

Barrio Digital allows citizens to send real-time feedback, complaints and requests to the municipal government from their mobile phones or via the internet.
Belo Horizonte Festival Policy
Belo Horizonte, Brazil

Belo Horizonte Festival Policy

Explore Belo Horizonte's cultural richness through its vibrant festivals, promoting art, diversity, and inclusion in the city every year.
Entrepreneurs for the Future (e4f )
Birmingham, United Kingdom

Entrepreneurs for the Future (e4f )

Young startup businesses benefit from tailored support and being part of a community. That’s what makes Birmingham’s ‘Entrepreneurs for the Future’ (e4f) programme stand out: it offers bespoke support and the chance to join a network of like-minded startups.
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.
Pro-Poor Partnership for participatory settlement upgrading in Colombo
Colombo, Sri Lanka

Pro-Poor Partnership for participatory settlement upgrading in Colombo

This project is designed to support (national) government efforts to institutionalise participatory urban governance approaches and to assist selected municipal councils.

Community

709 citymakers online. See all
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Juliane Frohloff
Berlin, Germany

Juliane Frohloff

Individual | projekt manager
Sikho Msomi
Durban, South Africa

Sikho Msomi

Individual | Director
Zied Nhouchi
Grand Paris, France

Zied Nhouchi

Individual | Planner/Urban designer at IDEACONSULT/STUDI GROUP
Berlin, Germany

Danielle Kerrigan

Individual | Research Assistant
Renata Fenton
Mexico City, Mexico

Renata Fenton

Individual | Co-Founder and Design Director
Madison, United States

Satya Rhodes-Conway

Individual | Managing Director, Mayors Innovation Project.