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

Chicago Oslo Durban (eThekwini) Auckland New York City Paris Abidjan Heidelberg Philadelphia Wuhan Washington, DC Barcelona Guangzhou Toronto Montréal Tshwane Yokohama Karachi Freetown Accra Quezon City Rotterdam Singapore Chennai Stockholm Tokyo Fuzhou Quito Nairobi Rio de Janeiro Medellín Kuala Lumpur Chicago Oslo Durban (eThekwini) Auckland New York City Paris Abidjan Heidelberg Philadelphia Wuhan Washington, DC Barcelona Guangzhou Toronto Montréal Tshwane Yokohama Karachi Freetown Accra Quezon City Rotterdam Singapore Chennai Stockholm Tokyo Fuzhou Quito Nairobi Rio de Janeiro Medellín Kuala Lumpur

Tel Aviv – Yafo Bangkok Warsaw Dar es Salaam Austin Nanjing Shenzhen Dakar Boston Phoenix Beijing Dubai São Paulo Athens Ho Chi Minh City Dalian Hanoi Amman Delhi NCT New Orleans Lisbon Los Angeles Milan Istanbul Zhenjiang Rome London Shanghai Madrid Lagos Berlin Qingdao Tel Aviv – Yafo Bangkok Warsaw Dar es Salaam Austin Nanjing Shenzhen Dakar Boston Phoenix Beijing Dubai São Paulo Athens Ho Chi Minh City Dalian Hanoi Amman Delhi NCT New Orleans Lisbon Los Angeles Milan Istanbul Zhenjiang Rome London Shanghai Madrid Lagos Berlin Qingdao

Houston Lima Hong Kong Bogotá Ahmedabad Amsterdam Bengaluru Chengdu Salvador Vancouver Ekurhuleni Curitiba Seattle Melbourne Mexico City San Francisco Guadalajara Santiago Hangzhou Copenhagen Dhaka (North & South) Johannesburg Jakarta Mumbai Cape Town Portland Miami Kolkata Buenos Aires Sydney Addis Ababa Seoul Houston Lima Hong Kong Bogotá Ahmedabad Amsterdam Bengaluru Chengdu Salvador Vancouver Ekurhuleni Curitiba Seattle Melbourne Mexico City San Francisco Guadalajara Santiago Hangzhou Copenhagen Dhaka (North & South) Johannesburg Jakarta Mumbai Cape Town Portland Miami Kolkata Buenos Aires Sydney Addis Ababa Seoul