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

Accra Vancouver Hanoi Madrid Stockholm Los Angeles Chicago Dakar Karachi Dhaka (North & South) Tshwane Hong Kong Ho Chi Minh City Zhenjiang Casablanca Abidjan Qingdao Singapore Tel Aviv – Yafo Mumbai Istanbul Montréal Dalian Fortaleza Medellín Philadelphia Rome Paris Athens Amman Shenzhen Austin Chengdu Accra Vancouver Hanoi Madrid Stockholm Los Angeles Chicago Dakar Karachi Dhaka (North & South) Tshwane Hong Kong Ho Chi Minh City Zhenjiang Casablanca Abidjan Qingdao Singapore Tel Aviv – Yafo Mumbai Istanbul Montréal Dalian Fortaleza Medellín Philadelphia Rome Paris Athens Amman Shenzhen Austin Chengdu

Lisbon Copenhagen Guangzhou Cape Town Quito Ekurhuleni Dar es Salaam Bengaluru Boston Ahmedabad Rio de Janeiro Beijing Nairobi Toronto Barcelona Addis Ababa Phoenix Salvador Lima São Paulo Guadalajara Kuala Lumpur New Orleans Freetown Miami Fuzhou Johannesburg San Francisco Jakarta Chennai Yokohama Oslo Heidelberg Lisbon Copenhagen Guangzhou Cape Town Quito Ekurhuleni Dar es Salaam Bengaluru Boston Ahmedabad Rio de Janeiro Beijing Nairobi Toronto Barcelona Addis Ababa Phoenix Salvador Lima São Paulo Guadalajara Kuala Lumpur New Orleans Freetown Miami Fuzhou Johannesburg San Francisco Jakarta Chennai Yokohama Oslo Heidelberg

Bangkok Milan Mexico City Curitiba Berlin Quezon City Warsaw Houston Dubai Sydney Durban (eThekwini) Washington, DC London Santiago Bogotá New York City Delhi NCT Shanghai Melbourne Hangzhou Seattle Seoul Lagos Buenos Aires Wuhan Auckland Portland Amsterdam Rotterdam Tokyo Nanjing Bangkok Milan Mexico City Curitiba Berlin Quezon City Warsaw Houston Dubai Sydney Durban (eThekwini) Washington, DC London Santiago Bogotá New York City Delhi NCT Shanghai Melbourne Hangzhou Seattle Seoul Lagos Buenos Aires Wuhan Auckland Portland Amsterdam Rotterdam Tokyo Nanjing