ICLEI turns 35 years! ๐ŸŽ‰

Date:


8 September 2025 marks 35 years of ICLEI advancing local sustainability.
What began in 1990 as one of the first global networks of local and regional governments advancing environmental initiativesย has grown into aย strong, worldwide joint force of 2,500 jurisdictions committed to sustainable development in over 125 countries. United by a shared commitment to sustainable urban development, this issue celebrates our journey with a special anniversary video, featuring our leaders and experts driving action.

In this edition, we also spotlight the anniversaries of ICLEI Africa and ICLEI South Asia, share insights on climate action ahead of the IPCC Special Report on Cities, explore next steps after the Plastics Treaty stalled, and introduce a new handbook to help cities shift from single-use to reuse.
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Born at a United Nations meeting in New York in 1990, ICLEI became one of the first global networks of local and regional governments committed to sustainability. Today, our Members and leaders work hand in hand with over 700 experts across our regional offices worldwide to drive our commitment to sustainable, resilient, inclusive and safe cities, towns and regions for all. Theย ICLEI Sรฃo Paulo Strategic Vision 2024โ€“2030ย reaffirms this pledge: Sustainability is the only path for 21st-century urban development.ย Hereโ€™s to the decades ahead!

NEWS

ICLEI Africa’s three decades of partnerships, progress and purpose

Since 1995, the ICLEI Africa Secretariatย has worked with local and regional governments, partners, and communities to co-create solutions for thriving, resilient cities. This milestone year honors its journey so far and the bold visionย driving the next chapter of ICLEIโ€™s role in Africaโ€™s urban transformation.
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NEWS

ICLEI Southย Asia celebratesย 20 years of actionย 

This year, the ICLEI South Asia Secretariat turns two decades of empowering local and regional governments across the region to lead in sustainability and climate resilience. To mark the occasion,ย it invites you to join its journey byย pledgingย toย takeย meaningful action for a sustainable, climate-resilient future.ย 

More updatesย from our network

๐Ÿ”นย A new framework for rethinking urban climate action ahead of upcoming IPCC report on cities

A new paper highlights gaps in urban climate research and sets out a roadmap to accelerate ecological transitions. Its insights will help shape the upcoming IPCC Special Report on Climate Change and Cities and drive a new eraย of data and community-driven multilevel climate governance.
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๐Ÿ”นย A global Plastics Treaty stalls, but cities can still push ahead

As global Plastics Treaty negotiations failed to reach consensus, cities and regions cannot wait. Read four takeaways to guide local action against the plastic waste piling up daily in cities.
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๐Ÿ”นย National governments see the value of Town Hall COPs

From Malaysia and South Africa’s endorsement of Town Hall COPs toย Kiribati’s Ikarekebai Declaration, theย initiativeย is emerging as a powerful model to make climate action truly locally-led, transformation-oriented, and nationally relevant.
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REPORT

7th ICLEI Global Research and Innovation Symposium
Held at the ICLEI World Congress 2024 in Sรฃo Paulo, Brazil, the Symposium convened researchers, innovators, urban practitioners, and investors to foster a new generation of โ€œnext practices,” with discussions on the IPCC’s Special Report on Cities, agenda-setting innovation, and emerging technologies.

VIDEO

What if our cities were built for people, not just cars?

The Sparking Active Mobility Actions for Climate-Friendly Cities (SPARK) project is empowering residents in Quezon City and Pasig City, Philippines, to reimagine their streets through community-driven initiatives.ย 

PLATFORM

Building capacity across Africa

Over the past five years, theย Learn with ICLEI Africaย platform has trained over 7,500 people through self-paced courses, interactive resources and toolkits on topics from nature-based solutions to climate finance.ย 
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ONLINE EVENT

September
9

15:20 CEST

Join ICLEI at the 3rd Annual Path Symposium

Global leaders and experts will explore how walking and cycling drive sustainable, healthy cities. Tu-My Tran, ICLEI Head of Sustainable Mobility, will join a panel to highlight the benefits of fostering active mobility in cities.
Register >>

ONLINE EVENTS

September
10

14:00 & 17:00 CEST

Join the Daring Cities Virtualย Forum

Donโ€™t miss two dynamic sessions: One on innovative finance for the local energy transition, and another on leveraging climate and sustainability communications, featuring communities worldwide that have hosted Town Hall COPs and ensured their messages reach broad audiences.
Register >>

WEBINAR SERIES

September
17

10:00 & 16:00 CEST

Monthly LGMA COP30 webinar

Led by Yunus Arikan, ICLEI Director of Global Advocacy, theย Local Governments and Municipal Authorities (LGMA) Constituency will dive into advocacy efforts and next steps toward COP30.
Register >>

IN-PERSON EVENT

September
21-28

New York City, USA

ICLEI at Climate Week NYC 2025

A delegation of worldwide ICLEI Member local and subnational leaders, together with experts, will actively engageย in multiple sessions and panels, showcasing bold climate action and driving the conversation forward.
More >>
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In August, we were honored to welcome the following new local and regional governments as Members:

๐Ÿ”น Alzira City Council, Spain
๐Ÿ”น Qingdao West Coast New Area, China
๐Ÿ”น Shijiazhuang City, China

ย ย Explore our Members

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