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

Tshwane Houston Shanghai Guangzhou Quezon City Milan Amsterdam Auckland Abidjan Johannesburg Heidelberg Washington, DC Rio de Janeiro Montréal Austin Stockholm Ekurhuleni Hangzhou Ho Chi Minh City Ahmedabad Addis Ababa San Francisco Santiago Dubai Accra Paris Copenhagen Seattle Curitiba Bangkok Medellín New Orleans Chengdu Tshwane Houston Shanghai Guangzhou Quezon City Milan Amsterdam Auckland Abidjan Johannesburg Heidelberg Washington, DC Rio de Janeiro Montréal Austin Stockholm Ekurhuleni Hangzhou Ho Chi Minh City Ahmedabad Addis Ababa San Francisco Santiago Dubai Accra Paris Copenhagen Seattle Curitiba Bangkok Medellín New Orleans Chengdu

Istanbul London Warsaw Athens Freetown Dar es Salaam São Paulo Cape Town Wuhan Rome Delhi NCT Nanjing Karachi Madrid Qingdao Melbourne Lisbon Nairobi Miami Lagos Quito Dakar Rotterdam Chicago Hong Kong Mumbai Tokyo Salvador Singapore Yokohama Boston Vancouver Toronto Istanbul London Warsaw Athens Freetown Dar es Salaam São Paulo Cape Town Wuhan Rome Delhi NCT Nanjing Karachi Madrid Qingdao Melbourne Lisbon Nairobi Miami Lagos Quito Dakar Rotterdam Chicago Hong Kong Mumbai Tokyo Salvador Singapore Yokohama Boston Vancouver Toronto

Fuzhou Durban (eThekwini) Oslo Zhenjiang Casablanca Mexico City Lima Seoul Amman Fortaleza Hanoi Barcelona Shenzhen Guadalajara Phoenix Dhaka (North & South) Kuala Lumpur Portland Chennai Philadelphia Buenos Aires Jakarta Los Angeles Bengaluru Tel Aviv – Yafo Berlin Bogotá Sydney Dalian New York City Beijing Fuzhou Durban (eThekwini) Oslo Zhenjiang Casablanca Mexico City Lima Seoul Amman Fortaleza Hanoi Barcelona Shenzhen Guadalajara Phoenix Dhaka (North & South) Kuala Lumpur Portland Chennai Philadelphia Buenos Aires Jakarta Los Angeles Bengaluru Tel Aviv – Yafo Berlin Bogotá Sydney Dalian New York City Beijing