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

Sydney Yokohama Fuzhou Amsterdam Berlin Mumbai Zhenjiang São Paulo Bengaluru Hong Kong Barcelona Medellín Istanbul Chicago Delhi NCT Kolkata Johannesburg Singapore Santiago Accra Lagos Tel Aviv – Yafo Rio de Janeiro Auckland Guadalajara Abidjan Jakarta Amman Boston London Addis Ababa Dakar Sydney Yokohama Fuzhou Amsterdam Berlin Mumbai Zhenjiang São Paulo Bengaluru Hong Kong Barcelona Medellín Istanbul Chicago Delhi NCT Kolkata Johannesburg Singapore Santiago Accra Lagos Tel Aviv – Yafo Rio de Janeiro Auckland Guadalajara Abidjan Jakarta Amman Boston London Addis Ababa Dakar

Phoenix Shanghai Ekurhuleni Guangzhou Dubai Philadelphia Milan Lisbon Salvador Cape Town Dhaka (North & South) Qingdao Washington, DC New Orleans Copenhagen Melbourne Rome Lima Buenos Aires Austin Ahmedabad Montréal San Francisco Stockholm Toronto Durban (eThekwini) Chengdu Seoul New York City Mexico City Chennai Oslo Phoenix Shanghai Ekurhuleni Guangzhou Dubai Philadelphia Milan Lisbon Salvador Cape Town Dhaka (North & South) Qingdao Washington, DC New Orleans Copenhagen Melbourne Rome Lima Buenos Aires Austin Ahmedabad Montréal San Francisco Stockholm Toronto Durban (eThekwini) Chengdu Seoul New York City Mexico City Chennai Oslo

Quito Vancouver Madrid Beijing Paris Nairobi Portland Shenzhen Houston Tokyo Dalian Hanoi Curitiba Miami Karachi Tshwane Dar es Salaam Kuala Lumpur Warsaw Los Angeles Freetown Ho Chi Minh City Hangzhou Rotterdam Wuhan Bangkok Athens Quezon City Nanjing Seattle Bogotá Heidelberg Quito Vancouver Madrid Beijing Paris Nairobi Portland Shenzhen Houston Tokyo Dalian Hanoi Curitiba Miami Karachi Tshwane Dar es Salaam Kuala Lumpur Warsaw Los Angeles Freetown Ho Chi Minh City Hangzhou Rotterdam Wuhan Bangkok Athens Quezon City Nanjing Seattle Bogotá Heidelberg