CIRCULAR YOKOHAMA

Accelerate Yokohama's circular economy

What is Circular Yokohama?

Circular Yokohama is a platform to accelerate the circular economy in the city of Yokohama. We post the latest news regarding Yokohama’s circular economy, create a “circular map” that lists circular projects around the city, and develop a database for each project. On this platform, you can also find our local circular economy tours and experiences you can join. We closely work with the city, local SMEs, and NPOs under a comprehensive partnership agreement to promote the circular economy in the city.

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URL：https://circular.yokohama/

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LATEST

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[Circular Yokohama] Community Loops: Launched A New Circular Fashion Project

  • On Aug 26, 2025
Circular Yokohama, a platform that promotes the circular economy in Yokohama, is operating the ministry of the environment subsidized project “Community Loops” together with CYKLUS, a company engaged in circular economy businesses focused on clothing repair, remake, and fashion. The initiative aims to achieve resource circulation within the community and create new community value through […]
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[Circular Yokohama] awarded the Grand Prize at the 31st Yokohama Environmental Activities Award

  • On Feb 27, 2025
Circular Yokohama, a platform dedicated to promoting the circular economy in Yokohama, has been honored with the Grand Prize at the 31st Yokohama Environmental Activities Award for its contributions to advancing local environmental initiatives. About the Yokohama Environmental Activities Award The Yokohama Environmental Activities Award recognizes individuals, organizations, businesses, and students actively engaged in environmental […]
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Circular Yokohama delivers a career education lecture at Yokohama Mine elementary school

  • On Feb 7, 2025
On December 16, 2024, Circular Yokohama, a platform promoting the circular economy in Yokohama, delivered a career education lecture to sixth-grade students at Mine elementary school in Hodogaya Ward, Yokohama City. The school actively promotes career education by inviting professionals from various fields, helping students envision their future paths. Mine elementary school is located just […]
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TEAM

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Yu Kato
CEO (Chief Executive Officer)

Founded Harch in 2015. Leads initiatives in sustainability, circular economy, design, media, digital, culture, arts, and education.

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Rina Muroi
Circular Yokohama Manager

Born in Yokohama, lived in U.S. Leverages her bilingual communication skills and local networks to connect communities and the world.

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Momoka Maruyama
Circular Yokohama Editor

With experience at a Danish folk high school and knowledge in psychology, she aspires to contribute to a society of mutual support.

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Takahiro Amano
CMO (Chief Media Officer)

After working at Mizuho Bank and launching and selling a startup, he now specializes in AI, media, and impact investing.