On 23 June 2025, the Chief Representative of the European Office of the City of Yokohama, on behalf of Mayor Yamanaka, attended an international conference in Paris to mark the tenth anniversary of...
SDGs
STYLE100 – One hundred ways of sustainable living, made in Yokohama to be shared with the world
Yokohama City has embarked on a bold initiative to build a sustainable and attractive new society through green innovation. In collaboration with citizens, businesses, and organizations, the city is...
Yokohama works with Asian Development Bank toward making sustainable cities around the world
The City of Yokohama and the Asian Development Bank (hereinafter referred to as “ADB”) have been working toward the formation of an eco-city in Asia since signing a partnership agreement in 2013,...
Yokohama presents its initiatives as a leading environmentally advanced city in Asia at the 58th Annual Meeting of the ADB
Hirotaka Sato, Deputy Mayor of Yokohama, was a speaker at the 58th ADB Annual Meeting held in Milan, Italy, from 4-7 May 2025. In a session discussing inter-city cooperation, he presented the city's...
OECD selects Yokohama as the first city in the world to be assessed for climate change measures
The OECD published a report assessing Yokohama's climate change measures at the international conference Urban Days, held at the OECD (Organization for Economic Cooperation and Development)...
Yokohama’s Contribution to the IPCC Special Report on Climate Change and Cities: Mayor reiterated the critical role of cities in tackling climate change
On March 19th, 2025, “Japan-IIASA Joint Seminar in Yokohama: How Japan’s Experience will be able to Contribute to the IPCC Special Report on Climate Change and Cities” was held at the Pacifico...
Yokohama, Japan will be the next host for Asia-Pacific Urban Forum (APUF)
The Asia-Pacific Urban Forum (APUF), organized by the Economic and Social Commission for Asia and the Pacific (ESCAP), established by the United Nations Economic and Social Council, will be held in...
Yokohama City’s Contribution to the Development of Indonesia’s New Capital Region
Exploring the Potential of City Twinning for Sustainable Urban Development From October to December 2024, Yokohama City, Japan, implemented a new project aimed at developing urban planning...
These new vending machines in Yokohama, Japan are aiming to reduce food waste, CO2 emissions from businesses, and raise awareness about these problems among citizens
Japan is famous globally for its many vending machines, but a new project from the City of Yokohama is aiming to tackle the issue of food waste through a new type of locker-style vending machine...
Yokohama’s environmental action efforts to be featured in NHK World-Japan / jibtv TV program “Trailblazers”
Climate change and other environmental issues are urgent global challenges. The City of Yokohama, Japan is now trying to lead the world with its unique approach to climate change and other...
Yokohama Mayor Takeharu Yamanaka promotes decarbonization initiatives and international collaboration at Vatican Climate Summit
Yokohama Mayor Takeharu Yamanaka visited Vatican City and Italy, where he participated in the Vatican climate summit hosted by Pope Francis and the Pontifical Academy of Sciences, speaking in front...
43 Cities and Organizations Join Forces in Landmark Declaration, “Asian Cities Together Towards Zero Carbon”, led by Yokohama and Bangkok
On November 15, 2023, an important step towards reducing worldwide carbon emissions was made at the 12th Asia Smart City Conference as the joint declaration, “Yokohama Declaration: Asian Cities...
Here’s how Yokohama City supports companies acting sustainably and why it keeps winning awards for it
At an event held on October 25, 2023 in the city of Suwon, South Korea, the CityNet UN ESCAP SDG City Awards ceremony was held, recognizing four cities around the world who have been creating...
Yokohama City shares vision for global collaboration in climate action at GCoM Board meeting
As part of Climate Week NYC, the largest annual climate gathering held from September 17-24 this year, the Global Covenant of Mayors for Climate & Energy (GCoM) gathered for a Board Meeting of...
Yokohama City shares experience and knowledge with global cities in HLPF side event
During a panel discussion held at the UN headquarters during the High Level Political Forum on Sustainable Development (HLPF 2023), select cities from around the world shared their experiences with...
ASCC 2022: Discussing city to city cooperation alongside sustainability goals and local reviews
The 11th Asia Smart City Conference (ASCC 2022) was held virtually from November 24-25th, and was attended by over 900 participants from around the world, including representatives from overseas...
What’s the deal with the colored To Do notes, and what is the World’s To Do List?
After seeing the giant reminder notes for the World's To Do List covering buildings in cities around the world and posts on social media with the hashtag #WorldsToDoList, you might have some...
Mobile water purifiers sent by Yokohama used in testing for Odesa alternative water supply
Following the donation and shipment of mobile water purifiers from Yokohama, Japan to its sister city of Odesa, Ukraine, the city of Odesa announced the following news*: *Translated from Ukrainian....









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