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Beer the First: Where Food Waste Meets Circular Brewing

  • On 2026/1/8
Bread that didn’t sell. Rice left behind. Grape skins after wine pressing. At Beer the First, these everyday “almost-wasted” ingredients find a second life in a glass of craft beer. Launched in 2021, the project began with RE:BREAD an eco-friendly beer brewed from unsold bakery bread in Yokohama. It has since grown into a playful […]
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Upcycled Stationery Crafted from Discontinued Nautical Charts: From retired sea maps to everyday treasures

  • On 2026/1/6
Old sea maps still have stories to tell. This “Discontinued Nautical Chart Stationery” project by X-Port Co., Ltd. gives discontinued nautical charts a second life as beautifully crafted stationery and sundries. Once essential for safe navigation, these charts are regularly retired as coastlines and sea conditions change. Instead of becoming waste, they’re transformed into envelopes, […]
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Yokohama City launches textile drive for GREEN×EXPO 2027 uniforms

  • On 2025/12/25
Yokohama City has launched a collaborative initiative to collect unwanted clothing from residents and recycle the material into staff uniforms for the upcoming GREEN×EXPO 2027. The circular fashion project began in 2025, and is being conducted in partnership with Harch Inc., the operator of Circular Yokohama and fibre recycling firm Nakano Co., Ltd. Yokohama City […]
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Minato Mirai Circular City Project: Co-creating a Decarbonized Future in Yokohama

  • On 2025/11/7
In the heart of Yokohama, a bold experiment is underway, transforming the Minato Mirai 21 district into a model of circular living and decarbonization. The Minato Mirai Circular City Project (MMCC) brings together over 30 facilities, companies, organizations, and citizens to reimagine how an urban district can reach net-zero COs emissions by 2030. Operated by […]
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Sachiumi Heroes: A Seaweed-Powered Revival from the Ocean Floor

  • On 2025/8/5
What if seaweed could help save the planet and revitalize the local economy? Meet Sachiumi Heroes, a marine restoration project in Yokohama’s Kanazawa Ward that turns kelp farming into an act of climate action and community empowerment. In Japan, a growing concern called iso-yake, underwater deserts caused by disappearing seaweed beds, has devastated marine ecosystems. […]
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Hoshiten Circular Library: A Moving Bookshelf of Sustainable Ideas

  • On 2025/6/25
What if books could circulate just like resources? The Hoshiten Circular Library is a mobile bookshelf that shares not only books, but stories of circular living across Yokohama. From city streets to community events, it pops up in unexpected places—inviting people to borrow, return, and contribute books on sustainability, creativity, and local action. It’s more […]
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Kurofune Soap: Crafting Clean Futures from Used Cooking Oil

  • On 2025/6/6
What if your daily soap told a story? Kurofune Soap blends Yokohama’s rich port history with today’s circular mindset. Crafted from used cooking oil collected locally, these handmade soaps aren’t just eco-friendly—they’re conversation starters. Each bar is shaped like the iconic “black ships” (Kurofune), connecting the past and present through a refreshing, sustainable experience. Take […]
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Yomigaeri: Recycled Work Gloves Made Primarily from Used Clothing Fibers

  • On 2025/5/19
We have added a new circular project “Yomigaeri” in our database. What if a pair of gloves could tell the story of your old clothes? Yomigaeri is a sustainable work glove made from discarded textiles—designed not only to reduce CO₂ emissions but to celebrate the value of what we throw away. Created by Nakano Co., […]
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Seyamitsu Lab: A Circular Living Hub Born in the Heart of Seya Ward

  • On 2025/5/15
We have added a new circular project “Seyamitsu Lab” in our database. What if beekeeping could help revitalize a neighborhood? Seyamitsu Lab is turning that question into reality. Launched by local youth in Yokohama’s Seya Ward, the Lab is using honey production and community collaboration to build a model of circular living—where people, nature, and […]
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Circular Yokohama is awarded the Grand Prize at the 31st Yokohama Environmental Activities Award

  • On 2025/2/27
Circular 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 initiatives in Yokohama. The award aims to raise awareness of […]
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