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

Dubai Nanjing Jakarta Karachi Hanoi Philadelphia Washington, DC Addis Ababa Seattle Medellín Istanbul Salvador Tshwane Hong Kong Milan Chicago Cape Town Ekurhuleni Vancouver Santiago Fuzhou Phoenix Chennai Lagos Dar es Salaam Shenzhen New Orleans New York City Bogotá Rio de Janeiro Miami Warsaw Dubai Nanjing Jakarta Karachi Hanoi Philadelphia Washington, DC Addis Ababa Seattle Medellín Istanbul Salvador Tshwane Hong Kong Milan Chicago Cape Town Ekurhuleni Vancouver Santiago Fuzhou Phoenix Chennai Lagos Dar es Salaam Shenzhen New Orleans New York City Bogotá Rio de Janeiro Miami Warsaw

Mumbai Qingdao Dakar Berlin Abidjan Madrid Kuala Lumpur Ahmedabad Johannesburg Beijing Zhenjiang Wuhan San Francisco Guadalajara Shanghai Accra Chengdu Lima Boston Rome Ho Chi Minh City Curitiba Copenhagen Mexico City Seoul Bangkok Houston Amsterdam Oslo São Paulo Barcelona Amman Mumbai Qingdao Dakar Berlin Abidjan Madrid Kuala Lumpur Ahmedabad Johannesburg Beijing Zhenjiang Wuhan San Francisco Guadalajara Shanghai Accra Chengdu Lima Boston Rome Ho Chi Minh City Curitiba Copenhagen Mexico City Seoul Bangkok Houston Amsterdam Oslo São Paulo Barcelona Amman

Nairobi Hangzhou Durban (eThekwini) Rotterdam Lisbon Montréal Toronto Buenos Aires Paris London Yokohama Sydney Portland Tel Aviv – Yafo Dalian Singapore Austin Tokyo Fortaleza Delhi NCT Quezon City Guangzhou Stockholm Athens Auckland Los Angeles Dhaka (North & South) Heidelberg Melbourne Bengaluru Freetown Quito Nairobi Hangzhou Durban (eThekwini) Rotterdam Lisbon Montréal Toronto Buenos Aires Paris London Yokohama Sydney Portland Tel Aviv – Yafo Dalian Singapore Austin Tokyo Fortaleza Delhi NCT Quezon City Guangzhou Stockholm Athens Auckland Los Angeles Dhaka (North & South) Heidelberg Melbourne Bengaluru Freetown Quito