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

Yokohama Guangzhou Los Angeles Rio de Janeiro Tokyo Barcelona Kuala Lumpur Beijing Durban (eThekwini) Ekurhuleni New York City Lagos Salvador Milan Fortaleza Mumbai Buenos Aires Karachi Addis Ababa Bogotá New Orleans Nanjing Madrid Chengdu Shenzhen Fuzhou Tshwane Phoenix Quito Sydney Ahmedabad Paris Oslo Yokohama Guangzhou Los Angeles Rio de Janeiro Tokyo Barcelona Kuala Lumpur Beijing Durban (eThekwini) Ekurhuleni New York City Lagos Salvador Milan Fortaleza Mumbai Buenos Aires Karachi Addis Ababa Bogotá New Orleans Nanjing Madrid Chengdu Shenzhen Fuzhou Tshwane Phoenix Quito Sydney Ahmedabad Paris Oslo

Rome Wuhan Hanoi Mexico City Singapore Copenhagen Amsterdam Ho Chi Minh City San Francisco Rotterdam Dar es Salaam Miami Zhenjiang Washington, DC Istanbul Hong Kong Medellín Nairobi Dalian Johannesburg Abidjan Stockholm Auckland Shanghai Houston Amman Chicago Warsaw Heidelberg Portland Seattle Delhi NCT Freetown Rome Wuhan Hanoi Mexico City Singapore Copenhagen Amsterdam Ho Chi Minh City San Francisco Rotterdam Dar es Salaam Miami Zhenjiang Washington, DC Istanbul Hong Kong Medellín Nairobi Dalian Johannesburg Abidjan Stockholm Auckland Shanghai Houston Amman Chicago Warsaw Heidelberg Portland Seattle Delhi NCT Freetown

Lisbon São Paulo Casablanca Bengaluru Curitiba Santiago Melbourne Accra Cape Town Quezon City Tel Aviv – Yafo Toronto Lima Vancouver Berlin London Bangkok Athens Austin Seoul Jakarta Chennai Boston Dakar Guadalajara Qingdao Dubai Philadelphia Hangzhou Montréal Dhaka (North & South) Lisbon São Paulo Casablanca Bengaluru Curitiba Santiago Melbourne Accra Cape Town Quezon City Tel Aviv – Yafo Toronto Lima Vancouver Berlin London Bangkok Athens Austin Seoul Jakarta Chennai Boston Dakar Guadalajara Qingdao Dubai Philadelphia Hangzhou Montréal Dhaka (North & South)