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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La Rolita - District Transport Operator
Bogotá, Colombia

La Rolita - District Transport Operator

A sustainable transport system that supports gender equity
GOONJ
New Delhi - NIUA, India

GOONJ

GOONJ is an NGO working on issues of urban waste and social distribution. It believes in utilizing vast quantities of untapped old and waste material in middle class households and re-using it to create second-hand products.
Semarang Ecodistrict: Water management-based urban planning
Semarang , Indonesia

Semarang Ecodistrict: Water management-based urban planning

The Ecodistrict Programme pilots a resilient and sustainable approach to urban planning, starting from local development patterns and challenges.
Renta Tu Casa
Tlajomulco de Zúñiga, Mexico

Renta Tu Casa

A municipal programme renting empty, privately owned homes to vulnerable groups excluded from the housing market.
Quinto Centenario Cycle Avenue
Bogotá, Colombia

Quinto Centenario Cycle Avenue

The C40 Cities Finance Facility is supporting a cycling transformation in the city of Bogotá by providing technical assistance to the city administration to help fund new high-quality cycling infrastructure.
Sustainable Business Mobility Plans (Planes MES)
Valle de Aburrá, Colombia

Sustainable Business Mobility Plans (Planes MES)

Public and private organizations take an active role in the promotion of sustainable mobility.

Community

710 citymakers online. See all
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Grand Paris, France

Francesca Artioli

Individual | Professor
Washington, D.C., United States

Jessica Grannis

Individual | Adaptation Program Director
Kariem El-Ali
Berlin, Germany

Kariem El-Ali

Institution | Senior Policy Advisor
Connective Cities
Bonn, Germany

Connective Cities

Institution | International Community of Practice for Sustainable Urban Develop­ment
Iris Belle
stuttgart, Germany

Iris Belle

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

Eva Exner

Individual | Projektmanagement