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

Austin Dubai Copenhagen Dalian Nairobi Tokyo Paris Lima Shanghai Quito Bogotá Tel Aviv – Yafo Cape Town Ahmedabad Casablanca Heidelberg Rio de Janeiro Bangkok Ho Chi Minh City Portland Bengaluru Johannesburg Chengdu Medellín Zhenjiang Yokohama Hanoi Addis Ababa Durban (eThekwini) Montréal Curitiba Guadalajara Qingdao Austin Dubai Copenhagen Dalian Nairobi Tokyo Paris Lima Shanghai Quito Bogotá Tel Aviv – Yafo Cape Town Ahmedabad Casablanca Heidelberg Rio de Janeiro Bangkok Ho Chi Minh City Portland Bengaluru Johannesburg Chengdu Medellín Zhenjiang Yokohama Hanoi Addis Ababa Durban (eThekwini) Montréal Curitiba Guadalajara Qingdao

Melbourne New York City Shenzhen Philadelphia Washington, DC Lagos Hong Kong Ekurhuleni Abidjan Kuala Lumpur Chennai Quezon City Chicago Istanbul Hangzhou Rotterdam Toronto Fortaleza Singapore Freetown Delhi NCT Oslo Warsaw Dar es Salaam Boston Fuzhou Dakar Rome Houston Stockholm Santiago London Accra Melbourne New York City Shenzhen Philadelphia Washington, DC Lagos Hong Kong Ekurhuleni Abidjan Kuala Lumpur Chennai Quezon City Chicago Istanbul Hangzhou Rotterdam Toronto Fortaleza Singapore Freetown Delhi NCT Oslo Warsaw Dar es Salaam Boston Fuzhou Dakar Rome Houston Stockholm Santiago London Accra

Jakarta Phoenix Salvador Seattle New Orleans Mexico City Auckland Athens Mumbai Tshwane Dhaka (North & South) San Francisco Nanjing Lisbon Karachi Wuhan Amman Amsterdam Guangzhou Beijing Madrid Vancouver Seoul Sydney Miami Barcelona Milan Los Angeles São Paulo Berlin Buenos Aires Jakarta Phoenix Salvador Seattle New Orleans Mexico City Auckland Athens Mumbai Tshwane Dhaka (North & South) San Francisco Nanjing Lisbon Karachi Wuhan Amman Amsterdam Guangzhou Beijing Madrid Vancouver Seoul Sydney Miami Barcelona Milan Los Angeles São Paulo Berlin Buenos Aires