Partners & Supporters

Through our collaboration with the strategic partners below, we  are able expand our capabilities, resources, and network to better serve ICLEI members cities and the people who call them home. We want to thank each of the agencies, foundations, and groups listed here — we move farther and faster together.

Alliance for Sustainable Colorado

American Council for an Energy-Efficient Economy

American Geophysical Union

ARIA Foundation

Bloomberg Philanthropies

Building Codes Assistance Project

C40 Cities Climate Leadership Group

California Governor’s Office of Planning and Research

California Public Utilities Commission

Center for the New Energy Economy

City of Bellevue, WA

Colorado Municipal League

Compact of Colorado Communities



Energy Efficient Codes Coalition

Energy Foundation China

The Ford Foundation

Global Covenant of Mayors for Climate & Energy

ICLEI Global Procurement Center

iMatter Youth

Institute for Local Government

Institute for Market Transformation

Local Government Commission

Lotus Sustainability

Meister Consulting Group

National Association of Regional Councils

National League of Cities

National Oceanic and Atmospheric Administration

National Renewable Energy Laboratory

Natural Capitalism

North Carolina State University

Sustainable Energy for All – United Nations HQ

Sustainable Energy Power Association


Pacific Gas & Electric

Path to Positive Communities

Renewable Cities

San Diego Gas & Electric

San Diego Foundation

Sierra Club, USA

Southern California Edison

The Stanley Foundation

STAR Communities

Sustainable Production and Consumption

UN Environment

Urban Sustainability Directors Network

U.S. Department of Energy

U.S. Green Building Council


World Resources Institute

World Wildlife Fund


If you are interested in joining ICLEI as a partner or supporter, please contact us today.