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

Berlin Delhi NCT Fortaleza Madrid Bangkok Yokohama Nanjing Shenzhen Rome Los Angeles Johannesburg Addis Ababa Fuzhou Stockholm Seoul Singapore Dhaka (North & South) Austin Abidjan Bogotá Buenos Aires Paris Kuala Lumpur Cape Town Santiago Rio de Janeiro Mexico City Karachi Toronto Shanghai Miami Amsterdam Dalian Berlin Delhi NCT Fortaleza Madrid Bangkok Yokohama Nanjing Shenzhen Rome Los Angeles Johannesburg Addis Ababa Fuzhou Stockholm Seoul Singapore Dhaka (North & South) Austin Abidjan Bogotá Buenos Aires Paris Kuala Lumpur Cape Town Santiago Rio de Janeiro Mexico City Karachi Toronto Shanghai Miami Amsterdam Dalian

Montréal Dubai Philadelphia Quezon City Mumbai Seattle Melbourne Zhenjiang Vancouver Sydney Jakarta Hong Kong Barcelona Casablanca Portland Rotterdam Beijing Curitiba Chicago Lima Accra Nairobi Chengdu Freetown Washington, DC Ahmedabad San Francisco São Paulo London Milan Warsaw Durban (eThekwini) Houston Montréal Dubai Philadelphia Quezon City Mumbai Seattle Melbourne Zhenjiang Vancouver Sydney Jakarta Hong Kong Barcelona Casablanca Portland Rotterdam Beijing Curitiba Chicago Lima Accra Nairobi Chengdu Freetown Washington, DC Ahmedabad San Francisco São Paulo London Milan Warsaw Durban (eThekwini) Houston

Ho Chi Minh City New Orleans Medellín Ekurhuleni Salvador Boston Dakar Lagos Guangzhou Guadalajara Qingdao Bengaluru Dar es Salaam New York City Tel Aviv – Yafo Chennai Heidelberg Tshwane Oslo Wuhan Amman Auckland Copenhagen Quito Hangzhou Hanoi Phoenix Istanbul Lisbon Athens Tokyo Ho Chi Minh City New Orleans Medellín Ekurhuleni Salvador Boston Dakar Lagos Guangzhou Guadalajara Qingdao Bengaluru Dar es Salaam New York City Tel Aviv – Yafo Chennai Heidelberg Tshwane Oslo Wuhan Amman Auckland Copenhagen Quito Hangzhou Hanoi Phoenix Istanbul Lisbon Athens Tokyo