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Projects

A database of circular projects in Yokohama. Filter by sector or circular principle.

Food & Biomass

SDGs Locker

SDGs Locker addresses food waste through an unmanned vending system that extends sales beyond store hours. A practical example of circular action embedded in everyday life in Yokohama.

Plastic & Package

Reusable Toner Cartridges

Reusable Toner Cartridges offers a steady shift from disposable printing to reuse. A Yokohama-based initiative connecting design, quality standards, and everyday work practices.

Architecture & Interior

YOKOHAMA CIRCULAR DESIGN MUSEUM

The mobile museum presents circular living through design, materials, and local stories. A travelling exhibition that turns reuse into an engaging, hands-on experience.

Food & Biomass

Beer the First

Beer the First turns near-discarded food into craft beer with character. From unsold bread to leftover grape pomace, each brew gives new value to ingredients that might otherwise be wasted. It’s a fun and tasty step toward a local circulation.

Plastic & Package

Discontinued Nautical Chart Stationery

Upcycled Stationery Crafted from Discontinued Nautical Charts turns retired sea maps into one-of-a-kind everyday items. Each carrying a piece of Japan’s waters and Yokohama’s creativity.

Food & Biomass

the Sus-Sea Project

The Sus-Sea Project brings sustainable seafood to a university cafeteria as a Japan’s first such initiative. By choosing these meals, students support responsible fisheries and learn how everyday food choices connect to ocean sustainability.

Plastic & Package

Minato Mirai Circular City Project

What if an entire city worked together to go circular? The Minato Mirai Circular City Project connects over 30 facilities, companies, and citizens to make Yokohama net-zero by 2030.

Food & Biomass

Sachiumi Heroes

Sachiumi Heroes revives Yokohama’s coastal ecosystems through kelp farming. It is creating jobs, tackling climate change, and even turning seaweed into cookies and seasonings!

Education

Hoshiten Circular Library

Ever seen a traveling bookshelf? The Hoshiten Circular Library brings books and circular ideas to the streets of Yokohama. Borrow, share, and get inspired, one story at a time.

Education

Kurofune Soap

From kitchen waste to sustainable soap! Kurofune Soap turns used cooking oil and other discarded resources into beautiful, community-made soap—promoting a cleaner planet and cleaner hands.

Education

Coffee Grounds Art

Used coffee as a canvas? Discover Coffee Grounds Art, where leftover coffee is reborn as beautiful artwork and creative workshops. From waste to wonder, find how circular ideas are brewing in Yokohama.

Fashion

Yomigaeri

Old clothes, new purpose. Yomigaeri turns discarded textiles into durable, washable gloves—no dyeing, no waste, just circular design in action.

Food & Biomass

Seyamitsu Lab

Seyamitsu Lab is turning honey, flowers, and community into a circular future for Seya Ward.Discover how a local initiative is bringing people and nature closer—one bee at a time.

Education

Circular Gacha

A capsule toy machine that you can play by putting a bottle cap instead of a coin. It provides an enjoyable learning experience of local resources and materials circulation.

Plastic & Package

Kururi Works

Kururi works is an upcycling studio with the concept of “take discarded things and reborn them with value.” It is based in Kanazawa ward run by Takematsu Co., Ltd..

Education

Kanazawa School for Special Needs Education

The school is promoting career education and waste reduction project to build a sustainable society. It is actively interacting with citizens and businesses to contribute to the local community from the aspect of welfare.

Plastic & Package

Shonan Eco Project

Shonan Trading offers a physical experience of plastic recycling. It helps widen environmental awareness by pedaling, melting, and creating up-cycled products with your own hands.

Sports

eSPOGOMI

A social activity consists of the essence of esports and community cleanup. People bring different values and build good connections among the community while enjoying achieving SDGs.