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

Tshwane Shanghai Quito Kuala Lumpur Delhi NCT Vancouver Portland Houston Seoul Miami Seattle Dar es Salaam São Paulo Kolkata Washington, DC Barcelona New Orleans Montréal Quezon City Ho Chi Minh City Johannesburg Santiago Chennai Bengaluru Madrid Tel Aviv – Yafo Milan London Toronto Chengdu Qingdao Guadalajara Tshwane Shanghai Quito Kuala Lumpur Delhi NCT Vancouver Portland Houston Seoul Miami Seattle Dar es Salaam São Paulo Kolkata Washington, DC Barcelona New Orleans Montréal Quezon City Ho Chi Minh City Johannesburg Santiago Chennai Bengaluru Madrid Tel Aviv – Yafo Milan London Toronto Chengdu Qingdao Guadalajara

Fuzhou Yokohama Athens Lisbon Curitiba Warsaw Sydney Los Angeles Copenhagen Ekurhuleni Freetown Rotterdam Guangzhou Heidelberg Lagos Medellín Melbourne Hangzhou Bangkok Wuhan New York City Amman Hanoi Buenos Aires Dakar Philadelphia Addis Ababa Mumbai San Francisco Boston Salvador Austin Fuzhou Yokohama Athens Lisbon Curitiba Warsaw Sydney Los Angeles Copenhagen Ekurhuleni Freetown Rotterdam Guangzhou Heidelberg Lagos Medellín Melbourne Hangzhou Bangkok Wuhan New York City Amman Hanoi Buenos Aires Dakar Philadelphia Addis Ababa Mumbai San Francisco Boston Salvador Austin

Phoenix Amsterdam Rio de Janeiro Nairobi Beijing Bogotá Abidjan Tokyo Zhenjiang Berlin Shenzhen Ahmedabad Stockholm Jakarta Accra Durban (eThekwini) Singapore Istanbul Nanjing Paris Oslo Dhaka (North & South) Rome Dalian Mexico City Karachi Chicago Hong Kong Lima Cape Town Dubai Auckland Phoenix Amsterdam Rio de Janeiro Nairobi Beijing Bogotá Abidjan Tokyo Zhenjiang Berlin Shenzhen Ahmedabad Stockholm Jakarta Accra Durban (eThekwini) Singapore Istanbul Nanjing Paris Oslo Dhaka (North & South) Rome Dalian Mexico City Karachi Chicago Hong Kong Lima Cape Town Dubai Auckland