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

São Paulo Curitiba Guangzhou Montréal Bogotá Copenhagen Dhaka (North & South) Addis Ababa Philadelphia Shenzhen Barcelona London Seoul Nairobi Washington, DC Athens New Orleans Bangkok Boston Tel Aviv – Yafo Warsaw Nanjing San Francisco Quito Freetown Milan Ekurhuleni Oslo Salvador New York City Ahmedabad Singapore São Paulo Curitiba Guangzhou Montréal Bogotá Copenhagen Dhaka (North & South) Addis Ababa Philadelphia Shenzhen Barcelona London Seoul Nairobi Washington, DC Athens New Orleans Bangkok Boston Tel Aviv – Yafo Warsaw Nanjing San Francisco Quito Freetown Milan Ekurhuleni Oslo Salvador New York City Ahmedabad Singapore

Mumbai Sydney Toronto Istanbul Shanghai Madrid Vancouver Kolkata Stockholm Santiago Berlin Abidjan Los Angeles Phoenix Chennai Karachi Ho Chi Minh City Johannesburg Delhi NCT Lagos Buenos Aires Paris Portland Dalian Auckland Lima Rome Dar es Salaam Zhenjiang Mexico City Beijing Medellín Mumbai Sydney Toronto Istanbul Shanghai Madrid Vancouver Kolkata Stockholm Santiago Berlin Abidjan Los Angeles Phoenix Chennai Karachi Ho Chi Minh City Johannesburg Delhi NCT Lagos Buenos Aires Paris Portland Dalian Auckland Lima Rome Dar es Salaam Zhenjiang Mexico City Beijing Medellín

Yokohama Chicago Fuzhou Rotterdam Amsterdam Rio de Janeiro Quezon City Dubai Austin Amman Hanoi Durban (eThekwini) Chengdu Seattle Bengaluru Jakarta Hong Kong Heidelberg Hangzhou Melbourne Dakar Guadalajara Houston Wuhan Tshwane Lisbon Qingdao Miami Cape Town Kuala Lumpur Accra Tokyo Yokohama Chicago Fuzhou Rotterdam Amsterdam Rio de Janeiro Quezon City Dubai Austin Amman Hanoi Durban (eThekwini) Chengdu Seattle Bengaluru Jakarta Hong Kong Heidelberg Hangzhou Melbourne Dakar Guadalajara Houston Wuhan Tshwane Lisbon Qingdao Miami Cape Town Kuala Lumpur Accra Tokyo