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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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.
City Development Strategy for Sustainable Development - Phase II
Alexandria, Egypt

City Development Strategy for Sustainable Development - Phase II

Local economic development, participatory urban upgrading and environmental rehabilitation are the three pillars of the strategy
Penang Nature-Based Climate Adaptation Programme
Penang, Malaysia

Penang Nature-Based Climate Adaptation Programme

A comprehensive and collaborative approach, addressing the environmental and social dimensions of climate change
The Stop
Toronto, Canada

The Stop

The Stop has pioneered a transformation from a traditional charity-model food bank to a new, empowerment model of ‘community food centre’.
Transitional City Programme
Christchurch, New Zealand

Transitional City Programme

A transitional city programme includes support for recovery after earthquakes in three key areas: social, sense of place and business. The programme also contains elements for long-term recovery such as testing new ideas, enhancing community resilience and creating a new identity for the city.
Co-operative Glasgow
Glasgow, United Kingdom

Co-operative Glasgow

The City of Glasgow is identifying effective and sustainable ways of addressing economic and social challenges by supporting cooperatives and social enterprises and devolving power to residents.

Community

709 citymakers online. See all
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Pierre Gillet
Brussels Capital Region, Belgium

Pierre Gillet

Individual | project manager
Blair Ruble
Washington, D.C., United States

Blair Ruble

Individual | Administrator
Miquel Roig
Barcelona (ciudad), Spain

Miquel Roig

Individual | Economist
New York City, United States

Nina Young

Individual | Research Analyst
Jakki Mann
Melbourne , Australia

Jakki Mann

Individual | Content Curator
Laura Burocco
Johannesburg, South Africa

Laura Burocco

Individual | Researcher