Founding Partners

Michael R. Bloomberg is an entrepreneur and philanthropist who served three terms as Mayor of New York City, from 2002 through 2013. In 2014, U.N. Secretary-General Ban Ki-moon appointed Bloomberg to be Special Envoy for Cities and Climate Change, for which he is focusing on helping cities and countries set and achieve more ambitious goals for mitigating and adapting to climate change.


The C40 Cities Climate Leadership Group, now in its 10th year, connects more than 75 of the world’s greatest cities, representing 500+ million people and one quarter of the global economy. Created and led by cities, C40 is focused on tackling climate change and driving urban action that reduces greenhouse gas emissions and climate risks, while increasing the health, wellbeing and economic opportunities of urban citizens. The current chair of the C40 is Rio de Janeiro Mayor Eduardo Paes; three-term Mayor of New York City Michael R. Bloomberg serves as President of the Board.


ICLEI-Local Governments for Sustainability is an international association of local and metropolitan governments dedicated to sustainable development. ICLEI provides technical consulting, training, and information services to build capacity, share knowledge, and support local government in the implementation of sustainable development at the local level. Our basic premise is that locally designed and driven initiatives can provide an effective and cost-efficient way to achieve local, national, and global sustainability objectives.


Created in 2004, United Cities and Local Governments (UCLG) is the united voice and world advocate of local and regional self-government. Members of UCLG are present in 140 countries, and are organized into seven regional sections, a Forum of Regions, and a metropolitan section. UCLG’s membership includes over 1,000 cities and regions, as well as 155 local government associations.


The United Nations Human Settlements Programme, UN-Habitat, is the United Nations agency for sustainable urban development. It is mandated to promote socially and environmentally sustainable towns and cities while advocating adequate shelter for all.


Other Partners