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

Bangkok Nanjing Dar es Salaam Stockholm Durban (eThekwini) Shanghai Jakarta Istanbul Bogotá Dubai Seattle Kuala Lumpur Oslo Accra São Paulo Addis Ababa Toronto London Chennai Melbourne Hong Kong Portland Phoenix Salvador Qingdao Fortaleza Heidelberg Shenzhen Montréal Tel Aviv – Yafo Miami San Francisco Quito Bangkok Nanjing Dar es Salaam Stockholm Durban (eThekwini) Shanghai Jakarta Istanbul Bogotá Dubai Seattle Kuala Lumpur Oslo Accra São Paulo Addis Ababa Toronto London Chennai Melbourne Hong Kong Portland Phoenix Salvador Qingdao Fortaleza Heidelberg Shenzhen Montréal Tel Aviv – Yafo Miami San Francisco Quito

Dakar Athens Tshwane Ekurhuleni Fuzhou Rotterdam Mumbai Philadelphia Buenos Aires Dhaka (North & South) Lima Seoul Barcelona Chicago Rome Cape Town Copenhagen Yokohama Casablanca Amman Johannesburg Auckland Hangzhou New Orleans Warsaw Ho Chi Minh City Lagos Rio de Janeiro Guangzhou Quezon City Houston Paris Medellín Dakar Athens Tshwane Ekurhuleni Fuzhou Rotterdam Mumbai Philadelphia Buenos Aires Dhaka (North & South) Lima Seoul Barcelona Chicago Rome Cape Town Copenhagen Yokohama Casablanca Amman Johannesburg Auckland Hangzhou New Orleans Warsaw Ho Chi Minh City Lagos Rio de Janeiro Guangzhou Quezon City Houston Paris Medellín

Tokyo Hanoi Zhenjiang Singapore Los Angeles Milan Freetown Santiago Nairobi Beijing Austin Chengdu Guadalajara Dalian Vancouver New York City Ahmedabad Bengaluru Abidjan Karachi Delhi NCT Madrid Boston Washington, DC Berlin Lisbon Curitiba Mexico City Wuhan Sydney Amsterdam Tokyo Hanoi Zhenjiang Singapore Los Angeles Milan Freetown Santiago Nairobi Beijing Austin Chengdu Guadalajara Dalian Vancouver New York City Ahmedabad Bengaluru Abidjan Karachi Delhi NCT Madrid Boston Washington, DC Berlin Lisbon Curitiba Mexico City Wuhan Sydney Amsterdam