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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Utrecht Smart Solar Charging project
Utrecht, Netherlands

Utrecht Smart Solar Charging project

The city of Utrecht has capitalised on the high take-up by residents of electric cars and solar panels to develop the Smart Solar Charging project.
Baby, think it over
Florencia, Colombia

Baby, think it over

Experiential learning with robot babies to prevent teenage pregnancies and reduce poverty
Development of a sustainable transport system in Addis Ababa
Addis Ababa, Ethiopia

Development of a sustainable transport system in Addis Ababa

Addis Ababa’s light rail and bus rapid transit project addresses the challenges rising from an ageing transport system combined with a fast-growing population to ensure a prosperous, equitable, and sustainable city for the future.
Depot.Bike
Prague, Czech Republic

Depot.Bike

Improving Prague’s environment one delivery at a time
New Ground Cohousing Community
London, United Kingdom

New Ground Cohousing Community

Providing accommodation & social support for women aged 50-plus through shared living.
Urban Wage Employment Initiative
Odisha, India

Urban Wage Employment Initiative

Reducing vulnerabilities and improving opportunities of the urban poor.

Community

709 citymakers online. See all
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Sally Kerr
Edinburgh, United Kingdom

Sally Kerr

Individual | Digital
Hans Dieter Temp
São Paulo, Brazil

Hans Dieter Temp

Individual | Founder of CIDADES SEM FOME/CITIES WITHOUT HUNGER/STÄDTE OHNE HUNGER
C40 Cities Finance Facility
Berlin, Germany

C40 Cities Finance Facility

Institution | Technical assistance, Capacity Development & Knowledge Sharing
Carolin Klingsporn
Berlin, Germany

Carolin Klingsporn

Individual | urban planner, digital participation expert
Cairo, Egypt

MennatuAllah Hendawy

Individual | Teaching Assistant, Urban Planner
Ulrike Wisser
Brussels Capital Region, Belgium

Ulrike Wisser

Individual