C40 is a global network of mayors of the world’s leading cities that are united in action to confront the climate crisis.

Abidjan Amman Shanghai Addis Ababa Wuhan Yokohama Durban (eThekwini) New Orleans Chengdu Rome Melbourne Mexico City Philadelphia Dalian Nanjing Tel Aviv – Yafo Jakarta Guadalajara Qingdao Johannesburg Ho Chi Minh City Kuala Lumpur Tshwane Copenhagen Singapore Washington, DC Buenos Aires Casablanca Heidelberg New York City Rio de Janeiro Accra Athens Abidjan Amman Shanghai Addis Ababa Wuhan Yokohama Durban (eThekwini) New Orleans Chengdu Rome Melbourne Mexico City Philadelphia Dalian Nanjing Tel Aviv – Yafo Jakarta Guadalajara Qingdao Johannesburg Ho Chi Minh City Kuala Lumpur Tshwane Copenhagen Singapore Washington, DC Buenos Aires Casablanca Heidelberg New York City Rio de Janeiro Accra Athens

Dubai Ahmedabad Hanoi Austin Hong Kong Chennai Miami Ekurhuleni Santiago Medellín Lagos Rotterdam Hangzhou Toronto Oslo Los Angeles Portland Stockholm Chicago Guangzhou Boston Dhaka (North & South) Amsterdam Lima Freetown Dar es Salaam Karachi Paris Warsaw Vancouver Berlin Mumbai Istanbul Dubai Ahmedabad Hanoi Austin Hong Kong Chennai Miami Ekurhuleni Santiago Medellín Lagos Rotterdam Hangzhou Toronto Oslo Los Angeles Portland Stockholm Chicago Guangzhou Boston Dhaka (North & South) Amsterdam Lima Freetown Dar es Salaam Karachi Paris Warsaw Vancouver Berlin Mumbai Istanbul

San Francisco Bengaluru Fuzhou Fortaleza Curitiba Cape Town Dakar Montréal São Paulo Barcelona Houston Lisbon Madrid Salvador Delhi NCT Auckland Quito Milan Bogotá Nairobi Beijing Phoenix Bangkok London Sydney Tokyo Zhenjiang Seattle Quezon City Shenzhen Seoul San Francisco Bengaluru Fuzhou Fortaleza Curitiba Cape Town Dakar Montréal São Paulo Barcelona Houston Lisbon Madrid Salvador Delhi NCT Auckland Quito Milan Bogotá Nairobi Beijing Phoenix Bangkok London Sydney Tokyo Zhenjiang Seattle Quezon City Shenzhen Seoul