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Berlin’s energy efficiency campaign “Berlin spart Energie”

The campaign "Berlin spart Energie" (“Berlin saves energy”) is an action-oriented network campaign aimed at widely communicating role models of Berlin's energy transition and climate protection.

#DCS2025: Thank you!

Inspiring discussions and debates along with great networking opportunities

Bee inspired by nature!

Protecting pollinators is protecting our future

Healthier Cities and Communities Through Public Spaces

Green spaces boost physical and mental health, cut pollution, and reduce health disparities

Heat planning for climate neutrality

The City of Berlin is converting its heat supply to a climate-neutral system. It is using the strategic approach of heat planning and involves all relevant stakeholders in the process. Transforming the city's heat supply through strategic planning and collaborative stakeholder engagement.

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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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Case studies

548 case studies online. See all
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The social, environmental and urban recovery of the General Belgrano railway premises
Cordoba, Argentina

The social, environmental and urban recovery of the General Belgrano railway premises

The railway premises plan is an initiative of the Municipality of Cordoba, aimed at the recovery of the General Belgrano railway premises and surrounding public spaces through urban regeneration.
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.
 Rea Vaya - Bus Rapid Transit System
Johannesburg, South Africa

Rea Vaya - Bus Rapid Transit System

The Rea Vaya (‘we are going’) Bus Rapid Transit (BRT) system provides accessible, reliable and affordable public transport services for residents of Johannesburg and reduces the city’s C02 emissions.
Depot.Bike
Prague, Czech Republic

Depot.Bike

Improving Prague’s environment one delivery at a time
Smarter Sustainable Dubuque
Dubuque, United States

Smarter Sustainable Dubuque

Smarter Sustainable Dubuque is a partnership between the City of Dubuque and IBM Research to pilot an integrated, cross-silo initiative for managing resources and reducing carbon emissions.
Barcelona: Inclusive employment in park maintenance
Barcelona (ciudad), Spain

Barcelona: Inclusive employment in park maintenance

Successful collaboration between a team specialising in the employment of people with disabilities and the municipal park company has helped provide support to individual employees and made the company itself more responsive to their needs.

Community

695 citymakers online. See all
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André Francisco Pilon
São Paulo, Brazil

André Francisco Pilon

Individual | Associate Professor (Senior)
Hyderabad, India

Kotaredu Praveena

Individual | Teacher
Jordan Griffiths
Gauteng , South Africa

Jordan Griffiths

Individual | Policy Advisor to the Mayor's Office
Mohammad Taghi Rafiee
Esfahan, Iran

Mohammad Taghi Rafiee

Individual | Research
Walter Jamieson
Bangkok, Thailand

Walter Jamieson

Individual | Professor and Consultant
Manchester, United Kingdom

Grainne Bradley

Individual | Local Government Officer