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

Philadelphia Qingdao Heidelberg New York City Nairobi Rotterdam Medellín Wuhan Copenhagen Singapore London Dubai Guadalajara Tokyo Tel Aviv – Yafo Hong Kong Vancouver Seoul Amman Guangzhou Austin Houston Chennai Paris Hangzhou Tshwane Bangkok Delhi NCT Amsterdam Mumbai Cape Town Shanghai Philadelphia Qingdao Heidelberg New York City Nairobi Rotterdam Medellín Wuhan Copenhagen Singapore London Dubai Guadalajara Tokyo Tel Aviv – Yafo Hong Kong Vancouver Seoul Amman Guangzhou Austin Houston Chennai Paris Hangzhou Tshwane Bangkok Delhi NCT Amsterdam Mumbai Cape Town Shanghai

Los Angeles Washington, DC Curitiba Milan Miami Durban (eThekwini) Auckland San Francisco Athens Dar es Salaam Jakarta Rome Hanoi Shenzhen Karachi Phoenix Warsaw Fuzhou Freetown Melbourne Dalian Rio de Janeiro Oslo Istanbul Ahmedabad Kuala Lumpur Yokohama Toronto Dhaka (North & South) Bogotá Lisbon Barcelona Los Angeles Washington, DC Curitiba Milan Miami Durban (eThekwini) Auckland San Francisco Athens Dar es Salaam Jakarta Rome Hanoi Shenzhen Karachi Phoenix Warsaw Fuzhou Freetown Melbourne Dalian Rio de Janeiro Oslo Istanbul Ahmedabad Kuala Lumpur Yokohama Toronto Dhaka (North & South) Bogotá Lisbon Barcelona

Abidjan Nanjing Sydney Dakar Mexico City Buenos Aires Quezon City Santiago Kolkata Montréal Madrid Beijing New Orleans Chicago Ho Chi Minh City Lagos Addis Ababa Boston São Paulo Accra Berlin Portland Zhenjiang Salvador Lima Quito Stockholm Chengdu Ekurhuleni Johannesburg Bengaluru Seattle Abidjan Nanjing Sydney Dakar Mexico City Buenos Aires Quezon City Santiago Kolkata Montréal Madrid Beijing New Orleans Chicago Ho Chi Minh City Lagos Addis Ababa Boston São Paulo Accra Berlin Portland Zhenjiang Salvador Lima Quito Stockholm Chengdu Ekurhuleni Johannesburg Bengaluru Seattle