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

São Paulo Amsterdam Madrid Seattle Wuhan Auckland Buenos Aires Barcelona Guangzhou Istanbul Karachi Ahmedabad Cape Town Stockholm Mexico City Curitiba Vancouver Rio de Janeiro Casablanca Rotterdam Hangzhou Milan Melbourne Bengaluru Miami Quezon City Hong Kong Los Angeles Nairobi Tshwane Guadalajara Philadelphia Oslo São Paulo Amsterdam Madrid Seattle Wuhan Auckland Buenos Aires Barcelona Guangzhou Istanbul Karachi Ahmedabad Cape Town Stockholm Mexico City Curitiba Vancouver Rio de Janeiro Casablanca Rotterdam Hangzhou Milan Melbourne Bengaluru Miami Quezon City Hong Kong Los Angeles Nairobi Tshwane Guadalajara Philadelphia Oslo

Dar es Salaam Beijing Kuala Lumpur Chennai Athens Freetown Dubai Ekurhuleni Warsaw Shenzhen Portland Quito Houston Bangkok Sydney Hanoi Dakar Lisbon Shanghai Chicago San Francisco Abidjan Austin Montréal Ho Chi Minh City Tokyo Copenhagen Durban (eThekwini) Paris Accra Lagos Santiago Dalian Dar es Salaam Beijing Kuala Lumpur Chennai Athens Freetown Dubai Ekurhuleni Warsaw Shenzhen Portland Quito Houston Bangkok Sydney Hanoi Dakar Lisbon Shanghai Chicago San Francisco Abidjan Austin Montréal Ho Chi Minh City Tokyo Copenhagen Durban (eThekwini) Paris Accra Lagos Santiago Dalian

Nanjing Seoul Chengdu Tel Aviv – Yafo Zhenjiang Amman Boston New Orleans Johannesburg Heidelberg Qingdao Lima Salvador Toronto Washington, DC Dhaka (North & South) Bogotá Addis Ababa Jakarta Medellín Fuzhou Yokohama Fortaleza Phoenix Delhi NCT Singapore Rome London Mumbai New York City Berlin Nanjing Seoul Chengdu Tel Aviv – Yafo Zhenjiang Amman Boston New Orleans Johannesburg Heidelberg Qingdao Lima Salvador Toronto Washington, DC Dhaka (North & South) Bogotá Addis Ababa Jakarta Medellín Fuzhou Yokohama Fortaleza Phoenix Delhi NCT Singapore Rome London Mumbai New York City Berlin