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

Vancouver Shenzhen Portland Milan Bengaluru Lagos Qingdao Madrid Hong Kong Fortaleza Oslo Amsterdam Dubai Istanbul Accra New Orleans Dhaka (North & South) Shanghai Philadelphia Austin Yokohama Guangzhou Tel Aviv – Yafo Tokyo Zhenjiang Paris Montréal Nanjing Auckland Kuala Lumpur Miami Rome New York City Vancouver Shenzhen Portland Milan Bengaluru Lagos Qingdao Madrid Hong Kong Fortaleza Oslo Amsterdam Dubai Istanbul Accra New Orleans Dhaka (North & South) Shanghai Philadelphia Austin Yokohama Guangzhou Tel Aviv – Yafo Tokyo Zhenjiang Paris Montréal Nanjing Auckland Kuala Lumpur Miami Rome New York City

Beijing Chengdu Buenos Aires Rotterdam Abidjan Nairobi Bangkok Warsaw Athens Santiago Hanoi Stockholm Curitiba Hangzhou Ho Chi Minh City Seattle Lima Cape Town Houston Salvador Karachi Quito Dalian London São Paulo Amman Medellín Delhi NCT Toronto Chennai Addis Ababa San Francisco Sydney Beijing Chengdu Buenos Aires Rotterdam Abidjan Nairobi Bangkok Warsaw Athens Santiago Hanoi Stockholm Curitiba Hangzhou Ho Chi Minh City Seattle Lima Cape Town Houston Salvador Karachi Quito Dalian London São Paulo Amman Medellín Delhi NCT Toronto Chennai Addis Ababa San Francisco Sydney

Phoenix Heidelberg Lisbon Fuzhou Washington, DC Freetown Guadalajara Johannesburg Ekurhuleni Casablanca Mexico City Mumbai Jakarta Seoul Durban (eThekwini) Boston Barcelona Dar es Salaam Wuhan Ahmedabad Chicago Los Angeles Rio de Janeiro Singapore Berlin Tshwane Copenhagen Melbourne Quezon City Dakar Bogotá Phoenix Heidelberg Lisbon Fuzhou Washington, DC Freetown Guadalajara Johannesburg Ekurhuleni Casablanca Mexico City Mumbai Jakarta Seoul Durban (eThekwini) Boston Barcelona Dar es Salaam Wuhan Ahmedabad Chicago Los Angeles Rio de Janeiro Singapore Berlin Tshwane Copenhagen Melbourne Quezon City Dakar Bogotá