From local action to global impact,
Yokohama is driving a circular and sustainable future.
News and Events
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 attendees from Japan and the U.S., including U.S. climate-tech venture...
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 Pragmatism,” the event brought together more than 1,000 sustainability leaders...
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 presented the city's initiatives in the green sector as an environmentally...
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 the Paris Agreement. City leaders and international organizations from...
Yokohama Matching Program 2025 – Selected Companies
The Yokohama Matching Program, Yokohama’s newest initiative to connect international startups with business opportunities in Japan, attracted strong global interest in its inaugural year. Designed to foster collaboration between overseas innovators and Japanese...
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 advancing a wide range of environmental policies, including...
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Platform for Circular City Transition
Actionable Insights and Collaborative Solutions
GREEN×EXPO 2027, Yokohama, Japan
International Horticultural Expo 2027
（19 Mar.2027–26 Sep.2027)
STYLE100
Sustainable actions and shared practices
International Technical Cooperation
Co-creating Innovative Smart Urban Solutions
Carbon-Neutral Port
Featured Video
Towards a Circular City and Beyond
- Short Version 2— Coming soon
Platform for Circular City Transition
GREEN×EXPO2027,Yokohama,Japan