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

Chengdu Amsterdam São Paulo Houston San Francisco Amman Addis Ababa Toronto Miami Salvador Zhenjiang Durban (eThekwini) Warsaw Austin Abidjan Barcelona Los Angeles Oslo Dar es Salaam Montréal Singapore Yokohama Lagos Quito Jakarta Madrid Sydney Hong Kong Medellín Beijing Portland Fortaleza Ekurhuleni Chengdu Amsterdam São Paulo Houston San Francisco Amman Addis Ababa Toronto Miami Salvador Zhenjiang Durban (eThekwini) Warsaw Austin Abidjan Barcelona Los Angeles Oslo Dar es Salaam Montréal Singapore Yokohama Lagos Quito Jakarta Madrid Sydney Hong Kong Medellín Beijing Portland Fortaleza Ekurhuleni

Tokyo Kuala Lumpur Shanghai New Orleans Nairobi Johannesburg Accra Fuzhou Guangzhou Curitiba Santiago Vancouver Dubai Ahmedabad Bangkok Bogotá Heidelberg Freetown Wuhan Dhaka (North & South) Athens Mumbai Lisbon Karachi London Quezon City Washington, DC Istanbul Guadalajara Paris New York City Tel Aviv – Yafo Stockholm Tokyo Kuala Lumpur Shanghai New Orleans Nairobi Johannesburg Accra Fuzhou Guangzhou Curitiba Santiago Vancouver Dubai Ahmedabad Bangkok Bogotá Heidelberg Freetown Wuhan Dhaka (North & South) Athens Mumbai Lisbon Karachi London Quezon City Washington, DC Istanbul Guadalajara Paris New York City Tel Aviv – Yafo Stockholm

Dalian Berlin Philadelphia Shenzhen Ho Chi Minh City Copenhagen Hangzhou Boston Milan Bengaluru Seattle Cape Town Dakar Qingdao Tshwane Rome Delhi NCT Melbourne Chicago Rotterdam Chennai Mexico City Nanjing Casablanca Hanoi Rio de Janeiro Buenos Aires Seoul Auckland Phoenix Lima Dalian Berlin Philadelphia Shenzhen Ho Chi Minh City Copenhagen Hangzhou Boston Milan Bengaluru Seattle Cape Town Dakar Qingdao Tshwane Rome Delhi NCT Melbourne Chicago Rotterdam Chennai Mexico City Nanjing Casablanca Hanoi Rio de Janeiro Buenos Aires Seoul Auckland Phoenix Lima