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

Sydney Ho Chi Minh City Abidjan Dar es Salaam Rio de Janeiro New Orleans Bogotá Wuhan Hangzhou Jakarta Portland Chicago Istanbul Houston Athens Beijing San Francisco Paris Washington, DC Tshwane Lagos Amsterdam Bengaluru Ekurhuleni Auckland Guangzhou Tokyo Kuala Lumpur Delhi NCT London Quito Fortaleza Mexico City Sydney Ho Chi Minh City Abidjan Dar es Salaam Rio de Janeiro New Orleans Bogotá Wuhan Hangzhou Jakarta Portland Chicago Istanbul Houston Athens Beijing San Francisco Paris Washington, DC Tshwane Lagos Amsterdam Bengaluru Ekurhuleni Auckland Guangzhou Tokyo Kuala Lumpur Delhi NCT London Quito Fortaleza Mexico City

Melbourne Heidelberg Accra Dubai Warsaw Berlin Nanjing Chennai Addis Ababa Ahmedabad Lisbon Austin Los Angeles Shenzhen Quezon City Cape Town Salvador Stockholm Toronto Hong Kong Madrid Seattle Santiago Rome Lima Casablanca Buenos Aires Nairobi Durban (eThekwini) Medellín Mumbai Bangkok Vancouver Melbourne Heidelberg Accra Dubai Warsaw Berlin Nanjing Chennai Addis Ababa Ahmedabad Lisbon Austin Los Angeles Shenzhen Quezon City Cape Town Salvador Stockholm Toronto Hong Kong Madrid Seattle Santiago Rome Lima Casablanca Buenos Aires Nairobi Durban (eThekwini) Medellín Mumbai Bangkok Vancouver

Hanoi New York City Fuzhou Amman Shanghai Zhenjiang Miami Boston Karachi Oslo Johannesburg Montréal Guadalajara Philadelphia Milan Dalian Phoenix Seoul Freetown Dakar Singapore São Paulo Qingdao Barcelona Dhaka (North & South) Tel Aviv – Yafo Copenhagen Chengdu Yokohama Rotterdam Curitiba Hanoi New York City Fuzhou Amman Shanghai Zhenjiang Miami Boston Karachi Oslo Johannesburg Montréal Guadalajara Philadelphia Milan Dalian Phoenix Seoul Freetown Dakar Singapore São Paulo Qingdao Barcelona Dhaka (North & South) Tel Aviv – Yafo Copenhagen Chengdu Yokohama Rotterdam Curitiba