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

Freetown Bangkok São Paulo Yokohama Paris Toronto Sydney Singapore Guangzhou Buenos Aires Amsterdam Nanjing Dhaka (North & South) Los Angeles Shenzhen Chicago Tokyo New Orleans Lagos Chennai Addis Ababa Mexico City Hangzhou Chengdu Lima Guadalajara Fuzhou Qingdao San Francisco Houston Tel Aviv – Yafo Montréal London Freetown Bangkok São Paulo Yokohama Paris Toronto Sydney Singapore Guangzhou Buenos Aires Amsterdam Nanjing Dhaka (North & South) Los Angeles Shenzhen Chicago Tokyo New Orleans Lagos Chennai Addis Ababa Mexico City Hangzhou Chengdu Lima Guadalajara Fuzhou Qingdao San Francisco Houston Tel Aviv – Yafo Montréal London

Athens Tshwane Rome Ahmedabad Austin Mumbai Seattle Vancouver Washington, DC Dakar Fortaleza Curitiba Johannesburg Ho Chi Minh City Copenhagen Auckland Hanoi Kuala Lumpur New York City Miami Nairobi Santiago Istanbul Ekurhuleni Stockholm Rio de Janeiro Phoenix Barcelona Hong Kong Beijing Durban (eThekwini) Abidjan Heidelberg Athens Tshwane Rome Ahmedabad Austin Mumbai Seattle Vancouver Washington, DC Dakar Fortaleza Curitiba Johannesburg Ho Chi Minh City Copenhagen Auckland Hanoi Kuala Lumpur New York City Miami Nairobi Santiago Istanbul Ekurhuleni Stockholm Rio de Janeiro Phoenix Barcelona Hong Kong Beijing Durban (eThekwini) Abidjan Heidelberg

Warsaw Oslo Shanghai Dubai Jakarta Rotterdam Medellín Madrid Dalian Casablanca Philadelphia Bengaluru Seoul Wuhan Zhenjiang Quezon City Cape Town Amman Salvador Dar es Salaam Delhi NCT Bogotá Quito Karachi Lisbon Milan Boston Berlin Accra Portland Melbourne Warsaw Oslo Shanghai Dubai Jakarta Rotterdam Medellín Madrid Dalian Casablanca Philadelphia Bengaluru Seoul Wuhan Zhenjiang Quezon City Cape Town Amman Salvador Dar es Salaam Delhi NCT Bogotá Quito Karachi Lisbon Milan Boston Berlin Accra Portland Melbourne