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ICLEI Japan supports local governments in advancing ACCD by promoting knowledge sharing, facilitating collaboration, and connecting cities with international networks. Through these efforts, ICLEI Japan helps strengthen local actions toward a circular economy and enhances the global visibility of cities’ initiatives.


Asia is at the forefront of 21st-century urban development: home to the world’s fastest-growing megacities and the largest share of urban population growth.
Given the growing need to keep the socio-economic impacts of the ongoing climate crisis and global resource consumption within planetary boundaries, accelerating the transition toward circular cities has become both urgent and essential.
We gather here in recognition of the shared realities facing our region—rapid urbanization, resource constraints, mounting waste, and the urgent need to reduce emissions and protect livelihoods. These challenges cross borders and sectors; they demand collaboration, innovation, and sustained political will. Through the ACCD, we aim to collaboration among rapidly growing cities across Asia will be strengthened to support transitions toward circular cities tailored to local context, with the aim of achieving a circular society across the region.
At the opening session of the Asia Smart City Conference (ASCC) on 25–26 November 2025, City of Yokohama initiated an “open call” together with leaders from the Bangkok Metropolitan Administration (Thailand), the Centre for Livable Cities (Singapore), Da Nang City (Viet Nam), and Makassar City (Indonesia) to call on organizations to support local government efforts to realize circular economy.
Following expressions of support from organizations including ICLEI Europe, the Ministry of the Environment of Japan, UNESCAP, UNDP, UN-Habitat, CITYNET, the World Economic Forum, and Circle Economy, ICLEI Japan announced the kick-off of the Asian Circular Cities Declaration (ACCD) at the closing session on 26 November 2025.
On 15 January 2026, an online seminar was jointly hosted with Circle Economy, a Support Partner, to encourage participation in the ACCD, attracting 75 participants from 27 cities across Southeast Asia.
On March 25, 2026, we co-hosted the Inaugural Ceremony for ACCD Founding Cities in Bangkok with the Bangkok Metropolitan Administration and the City of Yokohama.
This ceremony was made possible by a donation made through Fuyo General Lease Co., Ltd. under its “Circular Economy Lease (CE Lease)” initiative. The ceremony introduced a total of 21 signatory cities (with a population of approximately 53.27 million), marking a significant milestone in promoting circular economy cooperation across Asia.
Finally, 24 cities became the founding cities, and we are delighted that more than 20 cities across Asia have signed this declaration in just five months. Each declaration is endorsed by mayors and governors, demonstrating the high expectations and commitment of leaders in this region.
Cities willing to participate should submit the declaration with the signature by their city representative (governor, mayor, etc.) via this Google Form.
📄Download the Asian Circular Cities Declaration
👉Refer to the example for guidance on completing the signatory details.
Should you have any questions regarding the signing of the ACCD, please feel free to contact ICLEI Japan (iclei-japan[at]iclei.org).
Associate Partnership is available to non-governmental organizations, universities, state and national government agencies and not-for-profit research institutions. The purpose of Associate Partnership is to facilitate dialogues between local governments and these partners, to provide knowledge transfer in line with ICLEI’s Mission and Charter, and an avenue for which partners can support ICLEI’s work and mandate.

HARNESS the power of the ICLEI Network!" Governments need to give (the sense of) direction, as Business leaders we don't make the wind, we sail the boats. So policy should set the winds in the right directions if you want the boat going fast to the right harbor."Philippe Joubert Senior Advisor, World Business Council
on Sustainable Development
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Rates and Dues
Application Form
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Joining ICLEI means connecting to more than 2,500 local and regional governments as well as technical experts and a diversity community of partners worldwide. ICLEI Members actively engage with their peers through conferences, workshops, webinars and online platforms and take advantage of our connections with businesses, financial institutions and other implementation partners that help strengthen innovation and resourcing.
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Fee Structure
Benefits
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