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

Johannesburg Shenzhen Melbourne Qingdao Guangzhou Lagos Karachi Wuhan Phoenix Mumbai Lisbon Dakar Bangkok Copenhagen Delhi NCT Athens Ho Chi Minh City Casablanca Philadelphia Fuzhou San Francisco Zhenjiang Durban (eThekwini) Montréal New Orleans Amsterdam Kuala Lumpur Accra Quito Seoul Chengdu Medellín Yokohama Johannesburg Shenzhen Melbourne Qingdao Guangzhou Lagos Karachi Wuhan Phoenix Mumbai Lisbon Dakar Bangkok Copenhagen Delhi NCT Athens Ho Chi Minh City Casablanca Philadelphia Fuzhou San Francisco Zhenjiang Durban (eThekwini) Montréal New Orleans Amsterdam Kuala Lumpur Accra Quito Seoul Chengdu Medellín Yokohama

Rio de Janeiro Dhaka (North & South) Warsaw Milan Rotterdam Hong Kong London Chennai Istanbul Hanoi Nanjing Shanghai Addis Ababa Dalian Auckland Rome Boston Guadalajara Fortaleza Mexico City Singapore Amman Los Angeles Tshwane Salvador Berlin Ahmedabad New York City Hangzhou Ekurhuleni Jakarta Heidelberg Sydney Rio de Janeiro Dhaka (North & South) Warsaw Milan Rotterdam Hong Kong London Chennai Istanbul Hanoi Nanjing Shanghai Addis Ababa Dalian Auckland Rome Boston Guadalajara Fortaleza Mexico City Singapore Amman Los Angeles Tshwane Salvador Berlin Ahmedabad New York City Hangzhou Ekurhuleni Jakarta Heidelberg Sydney

Lima Nairobi Portland Dubai Madrid Freetown Chicago Cape Town Dar es Salaam Beijing Curitiba Seattle Houston Toronto São Paulo Barcelona Quezon City Austin Stockholm Tel Aviv – Yafo Washington, DC Bogotá Bengaluru Vancouver Santiago Buenos Aires Tokyo Oslo Abidjan Paris Miami Lima Nairobi Portland Dubai Madrid Freetown Chicago Cape Town Dar es Salaam Beijing Curitiba Seattle Houston Toronto São Paulo Barcelona Quezon City Austin Stockholm Tel Aviv – Yafo Washington, DC Bogotá Bengaluru Vancouver Santiago Buenos Aires Tokyo Oslo Abidjan Paris Miami