ICLEI – Local Governments for Sustainability is a global network working with more than 2,500 local and regional governments committed to sustainable urban development.

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ICLEI World Secretariat
Kaiser-Friedrich-Str. 7
53113 Bonn
Germany

ICLEI – Local Governments for Sustainability is a global network working with more than 2,500 local and regional governments committed to sustainable urban development.

ICLEI Regional Secretariats and country offices

Five reasons why oceans are important to cities

Local and regional governments are paying attention to the multilateral oceans agenda because of the myriad ways life in coastal cities, towns, and regions depends on the health and sustainability of our oceans. Discover how local action is key to safeguarding our seas and coastal communities.

South Africa becomes the first country to endorse the Town Hall COP Initiative

To support the endorsement, ICLEI and the South African Local Government Association will offer a series of Town Hall COPs in communities across the country.

From fragmentation to structure, CHAMP helps scaling climate action across all levels

National government CHAMP endorsers and their strategic partners convened at the 2nd CHAMP UNFCCC Focal Point Dialogue.

From Bonn to Belém: How national commitments and cities together can deliver a climate-ready future

Mayors, subnational and national leaders, alongside key representatives in the urban climate space, convened on 18 June at the Daring Cities 2025 Bonn Dialogues to reflect on how to strengthen national climate plans (NDCs) through multilevel action. The event highlighted the importance of partnerships to deliver not just ambitious plans, but real climate action for a thriving future.

ICLEI launches a new newsletter dedicated to equitable development

We are excited to share with you the first edition of ICLEI’s brand new newsletter specifically dedicated to equitable development in cities and regions.

Aerial view of a densely built urban area with a mix of modern and historical buildings surrounded by greenery and roads. This image represents the kind of cities ICLEI supports through sustainable urban development initiatives across the globe.
ABOUT OUR ORGANIZATION

ICLEI – Local Governments for Sustainability

ICLEI – Local Governments for Sustainability (known as ICLEI) is a global network working with more than 2500 local and regional governments committed to sustainable urban development. Active in 125+ countries, we influence sustainability policy and drive local action for zero emission, nature-based, equitable, resilient and circular development. Our Members and team of experts work together through peer exchange, partnerships and capacity building to create systemic change for urban sustainability.

2500+

Cities towns & regions

25+

% Global urban population

125+

Countries worldwide

20+

% Global population

WHO WE ARE

Our Network in Numbers

Local and regional governments across the ICLEI network represent a diversity of cities, towns and regions. Collectively, they form a dynamic force advancing sustainable urban development worldwide.

Our network
FEATURED LEADER

Marjorie Kauffmann, Secretary of Environment and Infrastructure, Rio Grande do Sul, Brazil | ICLEI Vice President

As ICLEI Vice President, Marjorie Kauffmann is a strong advocate for inclusive, locally driven climate action and stronger roles for subnational governments in global decision-making. A forestry engineer and experienced public official, she currently serves as State Secretary for Environment and Infrastructure in Rio Grande do Sul, Brazil. Through her role, she advocates for ICLEI as the platform for connecting local leaders and civil society to foster collective climate solutions rooted in community participation.

In response to recent climate disasters, her State launched the Climate Roadmap at COP29, an ambitious initiative integrating climate data from all 497 municipalities to support adaptation, resilience, and multilevel cooperation.

OUR MISSION

The Power of Our Network in a Changing World

The ICLEI São Paulo Strategic Vision 2024 – 2030 outlines our new vision for how the ICLEI network will advance sustainable urban development worldwide.

Find out more

ICLEI Members' exclusive benefits

Looking for a shortcut to success? As an ICLEI Member, you get exclusive access to a space where you can learn from others’ experiences, challenges, and best practices. Imagine getting tailored updates on global events like COPs, and hearing first-hand accounts from peers who were there.

Don’t reinvent the wheel. Join ICLEI and accelerate your progress today!

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OUR IMPACT

How ICLEI is Working Across the Globe

Every year, ICLEI works on hundreds of activities with thousands of cities, towns and regions around the globe.

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