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.
Search our activitiesICLEI World Congress 2024 outcomes report released
ICLEI has released the official report from the event. This interactive report captures the key outcomes, discussions, and initiatives that emerged from this pivotal moment
MORE
The Summit of the Future: Connecting the future of multilateralism and urban sustainability
The Summit of the Future (SoF) begins on 22 September at the headquarters of the United Nations in New York
MORE
City of Berlin signs the Berlin Urban Nature Pact
The Pact serves as an actionable pathway to enable cities to generate the transformative change needed to set nature on the path to recovery
MORE
Unlocking urban finance: The vital role of project preparation for city projects
As cities work to develop and implement transformative climate projects, access to finance is critical. Project Preparation Facilities (PPFs) can help cities ensure their projects are structured to attract funding
MORE
ICLEI World Congress 2024 in São Paulo demonstrates the collective power of cities and regions to address sustainability
Over 1,500 urban leaders from 96 countries addressed critical issues on climate action and urban resilience, setting the stage for city and region significance at COP30 in Belém, Brazil in 2025
MORE
100% Renewable energy: From aspiration to a clear path forward
The 100% Renewables Cities and Regions Roadmap project has turned a global dream into reality, guiding cities and regions toward 100% renewable energy
MORE
The ICLEI São Paulo Strategic Vision 2024 - 2030 released
"The power of our network in a changing world," ICLEI's strategic vision for the next three years, sets a way towards the transformation to sustainable development
DOWNLOAD
ABOUT THE ORGANIZATION
ICLEI – Local Governments for Sustainability
ICLEI – Local Governments for Sustainability 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 CITY
Aalborg, Denmark
An ICLEI Member since 1993, Aalborg is renowned for its deep commitment to sustainability. The city has integrated green practices into all aspects of daily life, from energy-efficient infrastructure to inclusive urban planning, ensuring a greener future for all generations. Aalborg’s waterfront redevelopment, green transport initiatives, and focus on renewable energy showcase its leadership in the green transition. As a host of key moments in the European Conference on Sustainable Cities & Towns series, including the Aalborg Charter (1994) and Aalborg Commitments (2004), Aalborg continues to inspire sustainable solutions across Europe. In 2024, the city will once again welcome the ECSC for its 10th edition from 30 September to 2 October, reaffirming its role as a center of climate action.
Learn more
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!
Discover how to join