The City of Yokohama exhibited at the Smart City Expo World Congress 2025 held in Barcelona, Spain from November 4 to 6, 2025. It promoted GREEN×EXPO 2027 and the Director of the European Office...
carbon neutrality
Yokohama leads Asian Circular Cities Declaration as first signatory at ASCC 2025
On November 25–26, at the Asia Smart City Conference (ASCC) 2025 in Yokohama, the establishment of the Asian Circular Cities Declaration was announced. The Circular Cities Declaration is a framework...
Yokohama Leads Climate Week NYC Event on U.S.-Japan Intercity Climate Action
On September 25, 2025, the City of Yokohama led an official event during Climate Week NYC 2025 (September 21–28), one of the world’s largest climate-focused gatherings held annually in New York...
Yokohama Presents its Green City Initiatives at 5th UN Forum of Mayors
The Director of the European Office attended the Fifth United Nations Forum of Mayors, held in Geneva, Switzerland, from October 6 to 7, 2025, as a representative of Yokohama Mayor Takeharu...
Sharing Yokohama’s Experience of Waste Reduction: “Towards Zero Waste” with ASEAN Cities
Ryoichiro Orii, Director General of the International Affairs Bureau, represented the City of Yokohama at a City Talk Session titled Towards Zero Waste. He presented how Yokohama has succeeded in...
New Global Toolkit Highlights Yokohama as Leading Example of City-Led Diplomacy
In July 2025, Yokohama was featured in a global strategic toolkit for city, state, and regional governments on engaging internationally. The Toolkit, titled “Global Engagement, Local Benefits: A...
UN Local2030 Coalition Spotlights Yokohama’s Local Actions to Accelerate Global SDGs
The United Nations High-Level Political Forum on Sustainable Development (HLPF) serves as a global policy platform where countries and stakeholders come together to review and share progress on the...
Yokohama’s Circular Society and Civic Engagement Showcased at UN High-Level Forum
The United Nations High-Level Political Forum on Sustainable Development (HLPF) serves as the central global platform to review progress on the Sustainable Development Goals (SDGs). Held every July...
U.S. Climate-Tech Investors Gather in Yokohama for the CleanLeap Climate Tech Summit
On May 26, 2025, CleanLeap, based in Silicon Valley and a supporter of climate-tech startups across the United States, hosted the CleanLeap Climate Tech Summit at TECH HUB YOKOHAMA. A total of 54...
Yokohama presents its Circular City Initiatives at the 4th Sustainability Week Asia
Yokohama was the only municipality to participate in 4th Sustainability Week Asia, hosted by Economist Impact and held in Bangkok on March 25-26, 2025. Under the theme “From Idealism to...
Yokohama presents its green initiatives at the World Cities Summit Mayors Forum 2025
Ryoichiro Orii, Director of the International Bureau of the City of Yokohama, spoke at the World Cities Summit Mayor's Forum 2025, which took place in Vienna, Austria, from 2-4 July 2025. He...
Yokohama, the host city of TICAD9 – Mayor Yamanaka’s interview published in African business magazine “African Business”
With the 9th Tokyo International Conference on African Development (TICAD9) approaching in August 2025, Mayor Takeharu Yamanaka of Yokohama, the host city of the conference, was interviewed by...
Yokohama Europe Office took part in international conference for the 10th anniversary of the Paris Agreement
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...
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...