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News and Events
Yokohama joins UNHCR “Cities #WithRefugees” campaign and supports World Refugee Day
June 20th was World Refugee Day, and many people around the world joined together in support, including the City of Yokohama. An international day designated by the United Nations, World Refugee Day honors refugees around the world who have been forced to flee their...
Ukraine delegation visits Yokohama, Japan to discuss local infrastructure
A Ukraine delegation comprised of representatives from local government offices and agencies related to city infrastructure visited Yokohama during a trip to Japan hosted by the Japan International Cooperation Agency (JICA). The trip was aimed at supporting and...
Mayor of Yokohama Takeharu Yamanaka joins Board of Global Covenant of Mayors for Climate & Energy
Yokohama, Japan is a leading city in Japan in fighting climate change and improving sustainability, and ever since he took office in August of 2021, Mayor of Yokohama Takeharu Yamanaka has been leading the charge on the city’s environmental policies, serving as a...
Odesa Mayor visits Japan to strengthen ties with sister city Yokohama, signs MoU for reconstruction
On March 16th, 2023, Mayor Gennadiy Trukhanov of Odesa, Ukraine visited Yokohama City in Japan to express appreciation for the support Yokohama has shown Odesa during the difficulties it has faced due to the Russian invasion of Ukraine, and to discuss post-war...
Cold winter gear from Yokohama, Japan arrives in Odesa, Ukraine following attacks disabling city heating and electricity
The winter weather gear and warmers sent from Yokohama, Japan has arrived in its sister city of Odesa, Ukraine, just in time to help citizens that have been suffering from Russian attacks, loss of heating and electricity, and the start of a long, cold winter ahead....
Yokohama introduces Smart City-related Measures & Initiatives for Decarbonization through Public-Private Partnerships at the Smart City Expo World Congress Barcelona
The Smart City Expo World Congress, the world's largest international conference and exhibition on smart cities, was held in Barcelona, Spain, from November 15 to 17. The event was organized in three categories: "Congress," "Expo," and "Side Events & Activities,"...
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Platform for Circular City Transition
Actionable Insights and Collaborative Solutions
GREEN×EXPO 2027, Yokohama, Japan
(19 Mar.2027–26 Sep.2027)





