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

Lagos Mexico City Milan Miami Qingdao Copenhagen Medellín Lima Hong Kong Cape Town Dhaka (North & South) Melbourne Warsaw Phoenix New Orleans Portland Barcelona Lisbon Berlin Rome Guadalajara Chicago San Francisco Bengaluru Shanghai Nanjing Madrid Fortaleza Athens Dar es Salaam Mumbai Chennai Seattle Lagos Mexico City Milan Miami Qingdao Copenhagen Medellín Lima Hong Kong Cape Town Dhaka (North & South) Melbourne Warsaw Phoenix New Orleans Portland Barcelona Lisbon Berlin Rome Guadalajara Chicago San Francisco Bengaluru Shanghai Nanjing Madrid Fortaleza Athens Dar es Salaam Mumbai Chennai Seattle

Wuhan Dubai Bogotá Boston Stockholm Bangkok Nairobi Curitiba Heidelberg Addis Ababa Durban (eThekwini) Guangzhou New York City Ekurhuleni Washington, DC Rio de Janeiro Amsterdam Paris Sydney Singapore Jakarta Fuzhou Dalian Hangzhou Beijing Yokohama London Quezon City Houston Shenzhen Accra Seoul Toronto Wuhan Dubai Bogotá Boston Stockholm Bangkok Nairobi Curitiba Heidelberg Addis Ababa Durban (eThekwini) Guangzhou New York City Ekurhuleni Washington, DC Rio de Janeiro Amsterdam Paris Sydney Singapore Jakarta Fuzhou Dalian Hangzhou Beijing Yokohama London Quezon City Houston Shenzhen Accra Seoul Toronto

Abidjan Rotterdam Philadelphia Istanbul Ahmedabad Santiago Karachi Vancouver Casablanca Tokyo Zhenjiang Austin Freetown Tshwane Amman Quito Kuala Lumpur Salvador Ho Chi Minh City Buenos Aires Tel Aviv – Yafo Auckland Johannesburg São Paulo Hanoi Chengdu Delhi NCT Montréal Dakar Oslo Los Angeles Abidjan Rotterdam Philadelphia Istanbul Ahmedabad Santiago Karachi Vancouver Casablanca Tokyo Zhenjiang Austin Freetown Tshwane Amman Quito Kuala Lumpur Salvador Ho Chi Minh City Buenos Aires Tel Aviv – Yafo Auckland Johannesburg São Paulo Hanoi Chengdu Delhi NCT Montréal Dakar Oslo Los Angeles