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

Dakar Medellín Auckland Miami Istanbul Accra Austin Melbourne Montréal Bogotá Fuzhou Dubai Ho Chi Minh City Nanjing Amsterdam Vancouver Barcelona Beijing Casablanca Seattle Athens Rome Tshwane Chicago Durban (eThekwini) Delhi NCT Freetown Jakarta Wuhan Houston Toronto Fortaleza Johannesburg Dakar Medellín Auckland Miami Istanbul Accra Austin Melbourne Montréal Bogotá Fuzhou Dubai Ho Chi Minh City Nanjing Amsterdam Vancouver Barcelona Beijing Casablanca Seattle Athens Rome Tshwane Chicago Durban (eThekwini) Delhi NCT Freetown Jakarta Wuhan Houston Toronto Fortaleza Johannesburg

Curitiba Madrid Washington, DC Rio de Janeiro Tel Aviv – Yafo Tokyo Berlin Lima Dhaka (North & South) Heidelberg New Orleans Shanghai Quito London Boston Stockholm Salvador Warsaw Seoul Amman Hanoi Singapore Mexico City Kuala Lumpur Philadelphia Yokohama Mumbai Qingdao Addis Ababa Zhenjiang Santiago Ekurhuleni Lisbon Curitiba Madrid Washington, DC Rio de Janeiro Tel Aviv – Yafo Tokyo Berlin Lima Dhaka (North & South) Heidelberg New Orleans Shanghai Quito London Boston Stockholm Salvador Warsaw Seoul Amman Hanoi Singapore Mexico City Kuala Lumpur Philadelphia Yokohama Mumbai Qingdao Addis Ababa Zhenjiang Santiago Ekurhuleni Lisbon

Paris Karachi Cape Town Dar es Salaam Milan San Francisco Rotterdam São Paulo Dalian Portland Guangzhou Lagos Copenhagen Ahmedabad Phoenix Chengdu Bengaluru Quezon City New York City Nairobi Sydney Chennai Los Angeles Hangzhou Abidjan Oslo Guadalajara Hong Kong Shenzhen Bangkok Buenos Aires Paris Karachi Cape Town Dar es Salaam Milan San Francisco Rotterdam São Paulo Dalian Portland Guangzhou Lagos Copenhagen Ahmedabad Phoenix Chengdu Bengaluru Quezon City New York City Nairobi Sydney Chennai Los Angeles Hangzhou Abidjan Oslo Guadalajara Hong Kong Shenzhen Bangkok Buenos Aires