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

Miami Lisbon Houston Buenos Aires Medellín Dakar Abidjan Toronto London Shenzhen Freetown Bengaluru Rotterdam Beijing Singapore Stockholm Seattle Durban (eThekwini) Madrid Amman Vancouver Dalian San Francisco Chennai Lima Chicago Berlin Amsterdam Warsaw Ekurhuleni Hong Kong Quito Sydney Miami Lisbon Houston Buenos Aires Medellín Dakar Abidjan Toronto London Shenzhen Freetown Bengaluru Rotterdam Beijing Singapore Stockholm Seattle Durban (eThekwini) Madrid Amman Vancouver Dalian San Francisco Chennai Lima Chicago Berlin Amsterdam Warsaw Ekurhuleni Hong Kong Quito Sydney

Cape Town Phoenix Fortaleza Addis Ababa Bangkok Dar es Salaam New Orleans Mexico City Athens Salvador Chengdu Mumbai Tshwane Guadalajara Santiago Lagos Heidelberg Philadelphia New York City Delhi NCT Bogotá Barcelona São Paulo Johannesburg Tel Aviv – Yafo Wuhan Guangzhou Jakarta Hangzhou Casablanca Montréal Istanbul Nairobi Cape Town Phoenix Fortaleza Addis Ababa Bangkok Dar es Salaam New Orleans Mexico City Athens Salvador Chengdu Mumbai Tshwane Guadalajara Santiago Lagos Heidelberg Philadelphia New York City Delhi NCT Bogotá Barcelona São Paulo Johannesburg Tel Aviv – Yafo Wuhan Guangzhou Jakarta Hangzhou Casablanca Montréal Istanbul Nairobi

Auckland Dubai Tokyo Hanoi Seoul Accra Kuala Lumpur Milan Ahmedabad Karachi Oslo Ho Chi Minh City Yokohama Portland Boston Paris Melbourne Nanjing Zhenjiang Rio de Janeiro Qingdao Los Angeles Copenhagen Fuzhou Washington, DC Curitiba Dhaka (North & South) Quezon City Shanghai Rome Austin Auckland Dubai Tokyo Hanoi Seoul Accra Kuala Lumpur Milan Ahmedabad Karachi Oslo Ho Chi Minh City Yokohama Portland Boston Paris Melbourne Nanjing Zhenjiang Rio de Janeiro Qingdao Los Angeles Copenhagen Fuzhou Washington, DC Curitiba Dhaka (North & South) Quezon City Shanghai Rome Austin