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

Copenhagen Amman Casablanca Bangkok Dubai Salvador Medellín Oslo Ho Chi Minh City Washington, DC Singapore Bengaluru Warsaw Barcelona Dalian Accra Rio de Janeiro Milan Lima Lagos Hangzhou New Orleans Zhenjiang Dhaka (North & South) Lisbon Ekurhuleni Addis Ababa Montréal Quezon City Dakar Guangzhou Johannesburg Tokyo Copenhagen Amman Casablanca Bangkok Dubai Salvador Medellín Oslo Ho Chi Minh City Washington, DC Singapore Bengaluru Warsaw Barcelona Dalian Accra Rio de Janeiro Milan Lima Lagos Hangzhou New Orleans Zhenjiang Dhaka (North & South) Lisbon Ekurhuleni Addis Ababa Montréal Quezon City Dakar Guangzhou Johannesburg Tokyo

Dar es Salaam Auckland Karachi Seoul Bogotá Qingdao Hong Kong New York City Freetown Santiago Rotterdam Tshwane Mexico City Rome Ahmedabad Chengdu Guadalajara Tel Aviv – Yafo Cape Town Mumbai Shenzhen Shanghai Boston San Francisco Vancouver Fuzhou Paris Houston Madrid Athens Berlin Istanbul Chennai Dar es Salaam Auckland Karachi Seoul Bogotá Qingdao Hong Kong New York City Freetown Santiago Rotterdam Tshwane Mexico City Rome Ahmedabad Chengdu Guadalajara Tel Aviv – Yafo Cape Town Mumbai Shenzhen Shanghai Boston San Francisco Vancouver Fuzhou Paris Houston Madrid Athens Berlin Istanbul Chennai

Buenos Aires Seattle Fortaleza Melbourne Phoenix São Paulo Wuhan Stockholm Abidjan Kuala Lumpur Amsterdam Curitiba Jakarta Quito Durban (eThekwini) Delhi NCT Austin Miami Nanjing London Sydney Los Angeles Yokohama Beijing Hanoi Chicago Philadelphia Toronto Heidelberg Portland Nairobi Buenos Aires Seattle Fortaleza Melbourne Phoenix São Paulo Wuhan Stockholm Abidjan Kuala Lumpur Amsterdam Curitiba Jakarta Quito Durban (eThekwini) Delhi NCT Austin Miami Nanjing London Sydney Los Angeles Yokohama Beijing Hanoi Chicago Philadelphia Toronto Heidelberg Portland Nairobi