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, […]

Sustainable Seafood Project: Japan’s First University Cafeteria Bringing Ocean-Friendly Meals to Students

On 2026/1/5

A lunch tray can be a gateway to ocean sustainability. The Sus-Sea Project is Japan’s first initiative to bring sustainable seafood into a university cafeteria led by Yokohama City University. Launched in 2022 by TEHs, an official student group focused on the Sustainable Development Goals, the project turns everyday meals into meaningful action. By serving […]

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 […]

Yokohama Leads Asia as First Signatory of the Asian Circular Cities Declaration at ASCC 2025

On 2025/11/27

On November 25–26, the Asia Smart City Conference (ASCC 2025) was held in Yokohama, bringing together cities, international organizations, and innovators working toward sustainable urban futures. This year’s conference marked a historic milestone: the launch of the Asian Circular Cities Declaration, the first region-wide framework in Asia dedicated to accelerating circular city transitions. Yokohama proudly […]

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 […]

Circular Hospitality in Action: Yokohama Bay Sheraton’s Approach to Food and Energy Cycles

On 2025/9/29

While several hotels across Yokohama are embracing sustainability, Yokohama Bay Sheraton Hotel & Towers stands out for its integrated approach to circulating both food and energy within its operations. Conveniently located with direct access to Yokohama Station, one of the country’s busiest transportation hubs, the hotel introduces circular practices to a wide range of guests, […]

[9/12]Community Loops: A New Circular Fashion Project by Circular Yokohama

On 2025/8/26

Circular 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 used clothing up-cycling and recycling. To commemorate the launch, […]

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. […]

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.

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