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 […]

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 […]

The Repair Cafe screened at TBS SDGs event “Plaza to Make the Earth Smile”

On 2025/6/3

Circular Yokohama and our sister media IDEAS FOR GOOD screened its documentary The Repair Cafe on May 4 at the SDGs event “Plaza to Make the Earth Smile” held at TBS Akasaka Sacas Square. “Plaza to Make the Earth Smile” is part of TBS’s “WEEK to Make the Earth Smile” project, a related initiative designed […]

Coffee Grounds Art: Giving New Life to the Morning Brew

On 2025/5/22

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.

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., […]

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 […]

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 […]

Circular Yokohama delivers a career education lecture at Yokohama Mine elementary school

On 2025/2/7

On December 16, 2024, Circular 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 a 10-minute walk from Circular Yokohama’s activity hub […]

A Seminar: “Why Companies Should Embrace Nature Positive Practices: Building Cities in Harmony with Nature” held successfully

On 2024/12/17

On November 28, Circular Yokohama held a seminar (in-person and online) titled “Why Companies Should Embrace Nature Positive Practices: Building Cities in Harmony with Nature.” Circular Yokohama is one of the operating companies in the Yokohama SDGs Design Center, a regional intermediary organization aimed at achieving the SDGs by connecting diverse stakeholders and addressing local […]

Circular Yokohama is Recognized with the superior rank in Yokohama’s SDGs certification program “Y-SDGs”

On 2024/12/17

Circular Yokohama has been recognized with the superior rank in the 13th round of Yokohama City’s SDGs certification program, “Y-SDGs” (in Japanese). Y-SDGs is a certification system in which Yokohama City acknowledges businesses actively contributing to achieving the SDGs. The program aims to encourage transitions to sustainable management and operations, foster new customer and business […]

Light Up Your Language Skills: Crafting and Cultural Exchange Workshop! [EVENT REPORT]

On 2024/8/8

On July 20, 2024, Circular Yokohama hosted a language exchange event, “Crafting in English! Let’s Make Lanterns with Discarded Aluminum can,” at its office / showroom “qlaytion gallery.” The event gathered 15 participants, ranging from children to adults, who enjoyed a creative and conversational experience in English. About “Meguru Hoshiten English Cafe” Meguru Hoshiten English […]

National Sun Yat-sen University’s Study Tour on Yokohama’s Decarbonization Initiatives

On 2024/7/30

From July 11 to 12, 2024, a delegation from Taiwan’s National Sun Yat-sen University (hereinafter NSYSU) visited Yokohama for a study tour focused on local decarbonization. This open program, organized by NSYSU, included 14 master’s and doctoral students specializing in public administration, accompanied by two academic staffs. Discussion on Decarbonization with Harch Inc. The tour […]

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