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

Ahmedabad Bengaluru Sydney Durban (eThekwini) Bogotá Barcelona Delhi NCT Warsaw Addis Ababa Dhaka (North & South) Dakar Heidelberg Vancouver Santiago Lima Mexico City Yokohama Nanjing Ekurhuleni Singapore Austin Los Angeles Shanghai Tshwane Zhenjiang Wuhan Montréal Mumbai Istanbul Boston Milan Rome Guadalajara Ahmedabad Bengaluru Sydney Durban (eThekwini) Bogotá Barcelona Delhi NCT Warsaw Addis Ababa Dhaka (North & South) Dakar Heidelberg Vancouver Santiago Lima Mexico City Yokohama Nanjing Ekurhuleni Singapore Austin Los Angeles Shanghai Tshwane Zhenjiang Wuhan Montréal Mumbai Istanbul Boston Milan Rome Guadalajara

Chicago Tel Aviv – Yafo Paris Lagos Chennai Philadelphia São Paulo Phoenix Bangkok Toronto Washington, DC Accra Melbourne Copenhagen Ho Chi Minh City Lisbon Hangzhou Miami Amsterdam Tokyo Hanoi Athens Auckland Kuala Lumpur Quito Curitiba New Orleans Chengdu Beijing Dalian Casablanca Hong Kong Houston Chicago Tel Aviv – Yafo Paris Lagos Chennai Philadelphia São Paulo Phoenix Bangkok Toronto Washington, DC Accra Melbourne Copenhagen Ho Chi Minh City Lisbon Hangzhou Miami Amsterdam Tokyo Hanoi Athens Auckland Kuala Lumpur Quito Curitiba New Orleans Chengdu Beijing Dalian Casablanca Hong Kong Houston

Buenos Aires Nairobi Oslo Seattle Abidjan Dubai Qingdao San Francisco Madrid New York City Salvador Portland Shenzhen Guangzhou Stockholm Johannesburg Medellín Amman Quezon City Seoul Rio de Janeiro Fortaleza Dar es Salaam London Berlin Jakarta Freetown Fuzhou Karachi Cape Town Rotterdam Buenos Aires Nairobi Oslo Seattle Abidjan Dubai Qingdao San Francisco Madrid New York City Salvador Portland Shenzhen Guangzhou Stockholm Johannesburg Medellín Amman Quezon City Seoul Rio de Janeiro Fortaleza Dar es Salaam London Berlin Jakarta Freetown Fuzhou Karachi Cape Town Rotterdam