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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Sustainable Development of Tehran City Green Space
Tehran, Iran

Sustainable Development of Tehran City Green Space

Tehran Parks and Green Space Organization is committed to achieving sustainable development of Tehran green space and improving environmental protection. The organization also conducts awareness raising campaigns and training activities to broaden citizens' knowledge about parks development.
Berlin Open Data strategy
Berlin, Germany

Berlin Open Data strategy

In 2011, the City of Berlin engaged in the development of an Open Data platform to foster transparency in public administration and the production of smart city apps.
Ehime Marugoto Cycling Project
Ehime Prefecture, Japan

Ehime Marugoto Cycling Project

Establishing a new cycling culture
BIM-IFC territorial cartography: democratizing high-quality spatial information
Barcelona (área metropolitana), Spain

BIM-IFC territorial cartography: democratizing high-quality spatial information

The Barcelona Metropolitan Area offers high-quality 3D BIM territorial models in open IFC format - free and accessible to everyone.
Energy Advice Points
Barcelona (ciudad), Spain

Energy Advice Points

A programme to reduce the number of people at risk of energy poverty.
Guangzhou Ecological Belt Master Plan
Guangzhou, China

Guangzhou Ecological Belt Master Plan

A blue-green infrastructure network to improve the environment

Community

709 citymakers online. See all
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Tehran, Iran

Mari Fallah

Individual | Study about master plan
Lisbon, Portugal

Elena Hernandez

Individual | Research Fellow
Barcelona (ciudad), Spain

Sergi Rovira

Individual | International Environment Consultant
Philipp Schwarz
Munich, Germany

Philipp Schwarz

Institution | Founder
Cape Town, South Africa

Timothy Blatch

Individual | Green City Consultant and Urban Planner
Abhijit Lokre
Ahmedabad, India

Abhijit Lokre

Individual | Academics