In May 2026, Yokohama Mayor Takeharu Yamanaka delivered a video address at a Special Session titled "Closing the Loop: Advancing Waste Management Towards a Circular Economy" during the 13th World...
circular
Yokohama to launch international circular exhibition in 2027
The City of Yokohama and RX Japan have announced the launch of a new international exhibition focused on the circular economy, set to debut in 2027. The event aims to bring together companies,...
Yokohama digitizes waste management across 1,200 public facilities
The City of Yokohama has begun full-scale implementation of a digital waste management system across approximately 1,200 city-related facilities, marking a major step forward in administrative...
UNDP Regional Workshop’s “Yokohama Day” Highlights Yokohama’s Circular City Leadership
The City of Yokohama hosted “Yokohama Day” Day 3 of the UNDP (United Nations Development Programme)–organized regional workshop “Advancing Circular Policy and Business Solutions for Plastics in the...
Yokohama City visualizes resource circularity in Minato Mirai
The Minato Mirai 21 district (MM21) has been selected by the Japanese Government as a Decarbonization Leading Area. In addition to decarbonizing electricity, MM21 is advancing circular economy...
MM21 launches a new circular economy initiative using leftover popcorn
The Minato Mirai district is taking another step forward as a model for sustainable urban development with the launch of a new circular economy initiative: brewing craft beer with unsold but still...
21 Cities Announced as Founding Signatories of the Asian Circular Cities Declaration (ACCD)
The City of Yokohama, ICLEI Japan, and the Bangkok Metropolitan Administration (BMA) announced the 21 founding cities of the Asian Circular Cities Declaration (ACCD). Yokohama and Bangkok are both...
Cebu City Signs the Asian Circular Cities Declaration in Yokohama
Since signing a memorandum of understanding on city-to-city cooperation in 2012, Yokohama and Cebu City have been working together to promote sustainable urban development in the Metro Cebu area....
Yokohama’s Circular Journey: How “Civic Power” is Building a Sustainable Future [Part 2]
In Part 1, we explored the vision and passion behind the launch of “One Hundred Ways of Sustainable Living: STYLE100.” In Part 2, we turn to the citizen initiatives featured in the project, tracing...
Yokohama’s Circular Journey: How “Civic Power” is Building a Sustainable Future [Part 1]
Located in the center of the Japanese archipelago facing the Pacific Ocean, Yokohama is a beautiful port city. Since the opening of its port in 1859, it has served as Japan’s gateway to the world,...
Asian Circular Cities Declaration Gains Momentum Ahead of APCC Forum 2026
On January 15, ICLEI Japan hosted an online conference to invite cities and local governments to become signatories of the Asian Circular Cities Declaration (ACCD), with Yokohama participating as...
From Yokohama to Asia: Sharing Pathways for Circular Cities
What enables some cities to drive the transition to a circular economy so effectively? Success requires more than just cutting-edge technology or ambitious policy targets. In Yokohama, our...
Yokohama’s Circular Journey: How Yokohama Empowers Civic Engagement
Minato Mirai 21, Yokohama’s leading waterfront district supporting innovation and sustainable city initiatives.Reducing household waste by 43% in a massive, growing metropolis is no small feat. This...
Yokohama City Announces GREEN×EXPO 2027 and Mobility Initiatives at Smart City Expo World Congress 2025
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...
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...
Taiwan Design Research Institute, Firms Visit Yokohama for Circular Economy
In August 2025, a delegation of about 20 members from the Taiwan Design Research Institute (TDRI), along with companies and startups working on circular economy and circular design, visited Japan to...








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