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

Salvador New York City Amsterdam Phoenix Wuhan Boston Rome Freetown Chicago Auckland London Santiago Medellín Melbourne Athens Cape Town Ekurhuleni Istanbul Rio de Janeiro Mumbai Durban (eThekwini) Zhenjiang Quezon City Curitiba Warsaw Mexico City Qingdao Johannesburg Milan Seattle Chennai Quito Tel Aviv – Yafo Salvador New York City Amsterdam Phoenix Wuhan Boston Rome Freetown Chicago Auckland London Santiago Medellín Melbourne Athens Cape Town Ekurhuleni Istanbul Rio de Janeiro Mumbai Durban (eThekwini) Zhenjiang Quezon City Curitiba Warsaw Mexico City Qingdao Johannesburg Milan Seattle Chennai Quito Tel Aviv – Yafo

Fortaleza Stockholm Copenhagen San Francisco Lima Bengaluru Ho Chi Minh City Singapore Tokyo Beijing Miami Sydney Shanghai Abidjan Amman Bogotá Rotterdam Dhaka (North & South) Portland Ahmedabad Dubai Dalian Tshwane Karachi Casablanca Barcelona Houston Los Angeles Yokohama Philadelphia Kuala Lumpur Vancouver Lagos Fortaleza Stockholm Copenhagen San Francisco Lima Bengaluru Ho Chi Minh City Singapore Tokyo Beijing Miami Sydney Shanghai Abidjan Amman Bogotá Rotterdam Dhaka (North & South) Portland Ahmedabad Dubai Dalian Tshwane Karachi Casablanca Barcelona Houston Los Angeles Yokohama Philadelphia Kuala Lumpur Vancouver Lagos

Berlin Hangzhou Washington, DC Nanjing Nairobi Buenos Aires Guangzhou Madrid Dar es Salaam New Orleans Jakarta São Paulo Hong Kong Chengdu Guadalajara Oslo Seoul Paris Shenzhen Bangkok Hanoi Montréal Heidelberg Fuzhou Austin Delhi NCT Accra Addis Ababa Toronto Lisbon Dakar Berlin Hangzhou Washington, DC Nanjing Nairobi Buenos Aires Guangzhou Madrid Dar es Salaam New Orleans Jakarta São Paulo Hong Kong Chengdu Guadalajara Oslo Seoul Paris Shenzhen Bangkok Hanoi Montréal Heidelberg Fuzhou Austin Delhi NCT Accra Addis Ababa Toronto Lisbon Dakar