The Cities for Climate ProtectionTM (CCP) Campaign enlists cities to adopt policies and implement measures to achieve quantifiable reductions in local greenhouse gas emissions, improve air quality, and enhance urban livability and sustainability. More than 650 local governments participate in the CCP, integrating climate change mitigation into their decision-making processes. ICLEI runs this highly successful and widely recognized campaign either regionally or nationally in Australia, Canada, Europe, Japan, Latin America, Mexico, New Zealand, South Africa, South Asia, Southeast Asia, and the United States.

Local governments join the Cities for Climate Protection (CCP) campaign by passing a resolution pledging to reduce greenhouse gas emissions from their local government operations and throughout their communities. To help cities achieve their goals, ICLEI then assists the cities undertake the CCP's five milestones.

Communities that participate in the CCP benefit from the actions that they take to reduce greenhouse gas emissions through:
- Financial savings in reduced utility and fuel costs to the local government, households, and businesses.
- Improved local air quality, contributing to the general health and well being of the community.
- Economic development and new local jobs as investments in locally produced energy products and services keep money circulating in the local economy.

In addition, ICLEI provides regionally specific tools and technical assistance to assist local governments in reducing their greenhouse gas emissions.

Major Groups:
Local Government of Cities of Buenos Aires and Avellameda (Argentina)
Local Government of City of Graz (Austria)
7 Brazilian Local Governments (Brazil)
133 Canadian Local Governments (Canada)
Local Government of City of Tome (Chile)
Local Government of City of Krnov (Croatia)
Local Government of City of Copenhagen (Denmark)
46 Finnish Local Governments (Finland)
8 German Local Governments (Germany)
Local Government of City of Kallithea (Greece)
Local Government of Cities of Budapest and Miskolc (Hungary)
17 Indian Local Governments (India)
10 Indonesian Local Governments (Indonesia)
7 Italian Local Governments (Italy)
4 Japanese Local Governments (Japan)
8 Mexican Local Governments (Mexico)
Local Government of Cities of Amsterdam and Rotterdam (Netherlands)
17 New Zealand Local Governments (New Zealand)
14 Philippines' Local Governments (Philippines)
Local Government of City of Gdansk (Poland)
Local Government of Cities of Almeda and Lisbon (Portugal)
12 South African Local Governments (South Africa)
Local Government of City of Barcelona (Spain)
Local Government of Cities of Goteborg, Stockholm and Vaxjo (Sweden)
6 Thai Local Governments (Thailand)
55 U.K. Local Governments (United Kingdom of Great Britain and Northern Ireland)
159 U.S. Local Governments (United States of America)