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

Lima Chicago Stockholm Dakar Medellín Cape Town Washington, DC Miami Beijing Ahmedabad Toronto Paris Durban (eThekwini) Oslo Istanbul Sydney Quito Seattle Guadalajara Chengdu Boston Delhi NCT Lagos Tel Aviv – Yafo Shanghai New Orleans Copenhagen Rome Vancouver Dubai Heidelberg Ho Chi Minh City Lima Chicago Stockholm Dakar Medellín Cape Town Washington, DC Miami Beijing Ahmedabad Toronto Paris Durban (eThekwini) Oslo Istanbul Sydney Quito Seattle Guadalajara Chengdu Boston Delhi NCT Lagos Tel Aviv – Yafo Shanghai New Orleans Copenhagen Rome Vancouver Dubai Heidelberg Ho Chi Minh City

Tokyo Hanoi Nairobi Melbourne Hangzhou London Dhaka (North & South) Los Angeles Yokohama Athens New York City Bangkok Accra Singapore Chennai Curitiba Amsterdam Freetown Shenzhen Kolkata Salvador Addis Ababa Rotterdam Bengaluru Fuzhou Zhenjiang Kuala Lumpur Dalian Amman Montréal Phoenix São Paulo Tokyo Hanoi Nairobi Melbourne Hangzhou London Dhaka (North & South) Los Angeles Yokohama Athens New York City Bangkok Accra Singapore Chennai Curitiba Amsterdam Freetown Shenzhen Kolkata Salvador Addis Ababa Rotterdam Bengaluru Fuzhou Zhenjiang Kuala Lumpur Dalian Amman Montréal Phoenix São Paulo

Mumbai Ekurhuleni Warsaw Hong Kong Dar es Salaam Houston Quezon City Barcelona Qingdao Johannesburg Guangzhou Rio de Janeiro Buenos Aires Abidjan Austin Philadelphia Wuhan Seoul Bogotá Auckland Karachi Santiago Portland Milan Lisbon San Francisco Tshwane Nanjing Madrid Jakarta Berlin Mexico City Mumbai Ekurhuleni Warsaw Hong Kong Dar es Salaam Houston Quezon City Barcelona Qingdao Johannesburg Guangzhou Rio de Janeiro Buenos Aires Abidjan Austin Philadelphia Wuhan Seoul Bogotá Auckland Karachi Santiago Portland Milan Lisbon San Francisco Tshwane Nanjing Madrid Jakarta Berlin Mexico City