For and from citymakers around the globe

use our platform to explore sustainable city making.

Advance to Zero (AtoZ)

Advance to Zero (AtoZ)

Empowering communities to tackle homelessness
World Wetlands Day 2025

World Wetlands Day 2025

Value. Protect. Inspire.
Hasting Commons

Hasting Commons

Creating a stronger more connected community

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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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231 cities online.

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Case studies

539 case studies online. See all
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Halle 2: recycling, repair and reuse using a circular economy approach
Munich, Germany

Halle 2: recycling, repair and reuse using a circular economy approach

The city of Munich has taken its ambitious waste reduction strategy to the next level by developing an innovative reuse lab and shop concept.
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.
Making Berlin accessible to all
Berlin, Germany

Making Berlin accessible to all

Berlin has the ambition to become a world-class example of a ‘barrier-free city’. It has compiled a series of planning guidebooks and developed a tactile scale model of the city for visitors and citizens alike.
Cloudburst Initiative Copenhagen
Copenhagen, Denmark

Cloudburst Initiative Copenhagen

Climate adaptation and environmental improvements through nature-based solutions
Educational Parks for Youth
Antioquia (Departement), Colombia

Educational Parks for Youth

Building on a widely-hailed experiment in Medellin, the entire surrounding province of Antioquia has set up a network of 80 educational parks designed to supplement traditional education with programs to honor young peoples' inherent skills and citizenship potentials.
Government Commitments
Buenos Aires, Argentina

Government Commitments

The Government Commitments program aims to promote transparency, harness new technologies and empower citizen participation to strengthen the governance of Buenos Aires.

Community

695 citymakers online. See all
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Gothenburg, Sweden

Jakob Jakob

Individual | Leasing Manager
Dortmund, Germany

Marielly Casanova

Individual | Architect and Urban Designer
Barcelona (ciudad), Spain

AGUSTI GARCIA CARABASA

Individual | INTERNATIONAL RELATIONS OFFICER
Leeds, United Kingdom

Camille Thomas

Individual | Voluntary sector project management
Samer Bagaeen
Amman, Jordan

Samer Bagaeen

Individual | Urban Planner / Surveyor / Urban Designer
Madison, United States

Satya Rhodes-Conway

Individual | Managing Director, Mayors Innovation Project.