Achieve Your Sustainability & Climate Ambitions

For over 30 years, ICLEI – Local Governments for Sustainability USA (ICLEI USA) is the largest and longest established network of local governments committed to sustainability and climate action. 

Join the Network

As an association led by and for our members, we advance sustainable development across interconnected pathways—driving zero-emission, nature-based, equitable, resilient, and circular solutions. We support local governments in turning their ambitions into lasting impact through technical expertise, collaborative networks, and tailored support.

Our Network Leading Sustainability Initiatives

Our Impact

ICLEI USA Members
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Technical support hours provided in 2024
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ICLEI USA elected officials in advocacy
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Meet Our New Board Members

We are pleased to announce on March 13, 2025, the following sustainability leaders joined our board. 

Alix Desulme

Mayor of North Miami, FL

Jeni Arndt

Mayor of Fort Collins, CO

Nancy Bowen

Vice Mayor of Coral Springs, FL

Nicola Armacost

Mayor of Hastings-on-Hudson, NY

Patricia Lock Dawson

Mayor of Riverside, CA

Victoria Salinas

Former Deputy Administrator for Resilience, Federal Emergency Management Agency

Turn Data into Action

ICLEI USA’s industry-leading tools have helped over 600 governments and institutions measure and mitigate greenhouse gas emissions, prepare for climate impacts, prioritize actions, and collaborate in real-time.

In Spring 2025, we’ll launch the revamped ClearPath 2.0 platform, powered by ClimateView. This next-generation tool combines ICLEI USA’s decades of experience with ClimateView’s cutting-edge technology to help U.S. subnational governments make data-driven decisions, engage stakeholders, and drive transparent climate action.

Our Approach: The 5 Pathways

The pathways are a framework for designing integrated solutions that balance the patterns of human life and the built and natural environments.

Testimonials

"ICLEI [USA] has proven to be a highly skilled and thoughtful partner in our sustainability initiatives. They peer reviewed our draft climate action plan, and were instrumental in the assessment and refinement of our circularity initiatives. Their numerous tools and partner resources, ranging from greenhouse gas emissions inventory tools, to policy guidelines to urban tree canopy data has proven invaluable in our efforts."

Andrew Mentzer, Sustainability Manager, Blaine County, ID