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Case studies

Twenty-five C3P projects are underway in FY2025.

Ulaanbaatar City (Mongolia)―Sapporo City

Zero Carbon Society Development through the Introduction of Environmental InfrastructureSuitable for Cold Climates in Ulaanbaatar CityThis link opens the PDF in a new window.

Bangkok Metropolitan Administration (Thailand)―Yokohama City

Project for Accelerating GHG Net Zero Emissions in BangkokThis link opens the PDF in a new window.

Makassar City (Indonesia)―Yokohama City

Zero Carbon City Project with a Focus on Transportation and Energy through City-to-City Collaboration between Makassar City and the City of YokohamaThis link opens the PDF in a new window.

Metro Cebu Area (Philippines)―Yokohama City

Project for Promoting Decarbonized City Development and Disaster Resilience Enhancement in Metro CebuThis link opens the PDF in a new window.

Renca Municipality, Santiago City (Chile)―Toyama City

Project to Promote Decarbonization and SDG Domino Effects through Participation in the Race to Zero by Renca, SantiagoThis link opens the PDF in a new window.

Badung Regency (Indonesia)―Toyama City

City-to-City Collaboration Project between Toyama City and Badung Regency for Developing a Decarbonized and Circular SocietyThis link opens the PDF in a new window.

Thuan Hoa District, Hue City (Vietnam)―Shizuoka City

City-to-City Collaboration Project for the Realization of a Decarbonized Society in the Hue Area, VietnamThis link opens the PDF in a new window.

Bandung Regency (Indonesia)―Kameoka City

City-to-City Collaboration between Kameoka City and Bandung Regency to Promote a Decarbonized and Circular SocietyThis link opens the PDF in a new window.

Pattaya City & Rayong City (Thailand)― Osaka City

Support for Designing a Decarbonized Society in Pattaya City and Rayong City in FY2025This link opens the PDF in a new window.

Maharashtra State (India) ― Osaka City

Maharashtra State ―Osaka City Collaboration Project to Promote the Introduction of Decarbonization Technologies towards Achieving Carbon NeutralityThis link opens the PDF in a new window.

Ba Ria–Vung Tau Province & Southern Vietnam (Vietnam)― Sakai City & Osaka City

Regional Collaboration Project to Promote Carbon Neutrality in Southern VietnamThis link opens the PDF in a new window.

Da Nang City (Vietnam)―Sakai City

Zero Carbon Development in Da Nang City for the Realization of a Carbon Neutral SocietyThis link opens the PDF in a new window.

Dong Nai Province (Vietnam)―Kobe City

Green-Smart Industrial Park Development Project through City-to-City Collaboration between Kobe City and Dong Nai Province, VietnamThis link opens the PDF in a new window.

Hai Phong City (Vietnam) ―Kobe City

Zero Carbon Development in Hai Phong City for the Realization of a Carbon Neutral SocietyThis link opens the PDF in a new window.

Pohnpei State (Micronesia) ― Ama Town

Public-Private Partnership Model Development Project towards the Realization of a Decarbonized Society in Ama Town and Pohnpei StateThis link opens the PDF in a new window.

Makassar City (Indonesia) ―Maniwa City

City-to-City Collaboration Project toward a Decarbonized Society between Makassar City and Maniwa CityThis link opens the PDF in a new window.

Gorontalo Province (Indonesia)―Ehime Prefecture

Support Project for the Achievement of the SDGs and Development of a Sustainable Decarbonized SocietyThis link opens the PDF in a new window.

Tamil Nadu State (India) ― Ehime Prefecture

City-to-City Collaboration Project to Create Environmental Businesses in Tamil Nadu in Partnership with Ehime PrefectureThis link opens the PDF in a new window.

Hanoi City (Vietnam)―Fukuoka Prefecture

Promotion of Environmental Infrastructure Introduction through City-to-City Collaboration in Hanoi CityThis link opens the PDF in a new window.

Koror State (Palau)―Kitakyushu City

City-to-City Collaboration Project for Promoting Decarbonized Cities and Achieving Co-benefits in Koror State, Republic of PalauThis link opens the PDF in a new window.

Banten Province & West Java Province (Indonesia)―Kitakyushu City

Feasibility Study for Decarbonizing the Cement Industry in IndonesiaThis link opens the PDF in a new window.

Ubon Ratchathani Province, Warin Chamrap Town Municipality & Pibun Mangsahan Town Municipality (Thailand) ― Kitakyushu City

JCM Project Development Study for the Realization of Carbon Neutrality in Ubon Ratchathani Province, ThailandThis link opens the PDF in a new window.

Telangana State, Visakapatnam City, Andhra Pradesh State (India)― Kitakyushu City

Promotion of Decarbonized, Recycling-Oriented Eco-Towns in IndiaThis link opens the PDF in a new window.

Gianyar Regency (Indonesia)―Osaki Town

Project to Promote the Establishment of a Decarbonized, Recycling-Oriented Society through the Osaki System in Gianyar, Bali Province, IndonesiaThis link opens the PDF in a new window.

Airai State (Palau)―Urasoe City

Support Project for Building a Sustainable and Environmentally Friendly City through City-to-City Collaboration between Urasoe City and Airai StateThis link opens the PDF in a new window.