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use publishes case studies from registered practitioners who want to share their projects and experiences with others. Browse our growing database of case studies and discover initiatives making cities more inclusive, safe, resilient and sustainable. 

Case studies

563 case studies online.
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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.
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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.
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Brussels regional programme for a circular economy
Brussels Capital Region, Belgium

Brussels regional programme for a circular economy

The circular economy is providing an innovative and sustainable way for the Brussels-Capital Region to address environmental, social and economic challenges.
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Be circular - Be Brussels
Brussels Capital Region, Belgium

Be circular - Be Brussels

A call for projects encourages local entrepreneurs to develop creative business initiatives that use circular economy concepts with support from local government agencies.
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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.
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New Taipei City's Climate Action Plan
New Taipei, Taiwan

New Taipei City's Climate Action Plan

New Taipei City is combating climate change through innovative and state-of-the-art interventions.
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Recycling Initiative of Karak municipality, Jordan
Karak, Jordan

Recycling Initiative of Karak municipality, Jordan

A small project in Karak is making a significant shift towards more sustainable waste management in Jordan.
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Friends and Neighbours - a community nature project
Cape Town, South Africa

Friends and Neighbours - a community nature project

The project aims to reconnect people with nature, build social capital and maintain and enhance ecosystem services.
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Cuidemos Centro programme
Madrid, Spain

Cuidemos Centro programme

A municipal training programme that employs migrants in the role of ‘Dynamizers’ to act as mediators between the local government authority and their respective communities to promote environmental awareness.
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