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

Wuhan Mexico City Freetown Portland Philadelphia Lagos Ahmedabad Chicago Vancouver Tel Aviv – Yafo Heidelberg Mumbai Chengdu Istanbul Dar es Salaam New York City San Francisco Delhi NCT Bangkok Rome Kuala Lumpur Nairobi Abidjan Shenzhen Karachi Quezon City Jakarta Chennai Madrid Ho Chi Minh City Rio de Janeiro Copenhagen Quito Wuhan Mexico City Freetown Portland Philadelphia Lagos Ahmedabad Chicago Vancouver Tel Aviv – Yafo Heidelberg Mumbai Chengdu Istanbul Dar es Salaam New York City San Francisco Delhi NCT Bangkok Rome Kuala Lumpur Nairobi Abidjan Shenzhen Karachi Quezon City Jakarta Chennai Madrid Ho Chi Minh City Rio de Janeiro Copenhagen Quito

Santiago Montréal Cape Town Dhaka (North & South) Bengaluru Hong Kong Tokyo Dakar Beijing Curitiba Shanghai Milan Singapore Los Angeles New Orleans Auckland Hanoi Warsaw Washington, DC Paris Guangzhou Melbourne Miami São Paulo Qingdao Oslo Addis Ababa Seattle Casablanca Durban (eThekwini) Austin Toronto Barcelona Santiago Montréal Cape Town Dhaka (North & South) Bengaluru Hong Kong Tokyo Dakar Beijing Curitiba Shanghai Milan Singapore Los Angeles New Orleans Auckland Hanoi Warsaw Washington, DC Paris Guangzhou Melbourne Miami São Paulo Qingdao Oslo Addis Ababa Seattle Casablanca Durban (eThekwini) Austin Toronto Barcelona

Hangzhou Ekurhuleni Berlin Buenos Aires Medellín Houston Seoul Amman Johannesburg Guadalajara Yokohama Rotterdam Dalian London Salvador Dubai Nanjing Boston Sydney Amsterdam Fortaleza Stockholm Tshwane Athens Phoenix Lima Zhenjiang Fuzhou Accra Lisbon Bogotá Hangzhou Ekurhuleni Berlin Buenos Aires Medellín Houston Seoul Amman Johannesburg Guadalajara Yokohama Rotterdam Dalian London Salvador Dubai Nanjing Boston Sydney Amsterdam Fortaleza Stockholm Tshwane Athens Phoenix Lima Zhenjiang Fuzhou Accra Lisbon Bogotá