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

Durban (eThekwini) Austin Chicago Milan Berlin Copenhagen Sydney Medellín Karachi Oslo Beijing Dalian Amsterdam Vancouver Heidelberg Dhaka (North & South) Zhenjiang Tel Aviv – Yafo Accra Madrid Lima Ahmedabad Amman Dakar Boston Los Angeles Tokyo Philadelphia Athens Montréal Rio de Janeiro Quito Durban (eThekwini) Austin Chicago Milan Berlin Copenhagen Sydney Medellín Karachi Oslo Beijing Dalian Amsterdam Vancouver Heidelberg Dhaka (North & South) Zhenjiang Tel Aviv – Yafo Accra Madrid Lima Ahmedabad Amman Dakar Boston Los Angeles Tokyo Philadelphia Athens Montréal Rio de Janeiro Quito

Nanjing Ekurhuleni Quezon City Freetown Rome Delhi NCT Paris Miami Rotterdam Hangzhou Hong Kong Ho Chi Minh City Barcelona Singapore Toronto São Paulo Warsaw Portland Guangzhou Kuala Lumpur Johannesburg Fuzhou New York City Nairobi Wuhan Istanbul Dar es Salaam San Francisco Salvador Bangkok Bengaluru Washington, DC Nanjing Ekurhuleni Quezon City Freetown Rome Delhi NCT Paris Miami Rotterdam Hangzhou Hong Kong Ho Chi Minh City Barcelona Singapore Toronto São Paulo Warsaw Portland Guangzhou Kuala Lumpur Johannesburg Fuzhou New York City Nairobi Wuhan Istanbul Dar es Salaam San Francisco Salvador Bangkok Bengaluru Washington, DC

Seattle Cape Town Auckland Mexico City Lagos Guadalajara Fortaleza Melbourne Chennai Shanghai Buenos Aires Phoenix Bogotá Santiago Mumbai Addis Ababa Seoul Dubai Stockholm London Tshwane Hanoi Jakarta Curitiba Abidjan New Orleans Lisbon Chengdu Qingdao Yokohama Houston Shenzhen Seattle Cape Town Auckland Mexico City Lagos Guadalajara Fortaleza Melbourne Chennai Shanghai Buenos Aires Phoenix Bogotá Santiago Mumbai Addis Ababa Seoul Dubai Stockholm London Tshwane Hanoi Jakarta Curitiba Abidjan New Orleans Lisbon Chengdu Qingdao Yokohama Houston Shenzhen