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

New York City Montréal Rio de Janeiro Heidelberg Quezon City Hanoi Oslo São Paulo London Durban (eThekwini) Accra Chengdu Boston New Orleans Madrid Guangzhou Tokyo Santiago Lagos Guadalajara Athens Abidjan Dubai Amsterdam Tel Aviv – Yafo Seattle Amman Los Angeles Bogotá Tshwane Hangzhou Rome Sydney New York City Montréal Rio de Janeiro Heidelberg Quezon City Hanoi Oslo São Paulo London Durban (eThekwini) Accra Chengdu Boston New Orleans Madrid Guangzhou Tokyo Santiago Lagos Guadalajara Athens Abidjan Dubai Amsterdam Tel Aviv – Yafo Seattle Amman Los Angeles Bogotá Tshwane Hangzhou Rome Sydney

Phoenix Ekurhuleni Fortaleza Delhi NCT Istanbul Toronto Lima Shenzhen Kuala Lumpur Vancouver Stockholm Casablanca Ho Chi Minh City Buenos Aires Quito Berlin Chicago Addis Ababa Nairobi Austin Auckland Miami Houston Ahmedabad Jakarta Seoul Warsaw Nanjing Hong Kong Salvador Beijing Medellín Paris Phoenix Ekurhuleni Fortaleza Delhi NCT Istanbul Toronto Lima Shenzhen Kuala Lumpur Vancouver Stockholm Casablanca Ho Chi Minh City Buenos Aires Quito Berlin Chicago Addis Ababa Nairobi Austin Auckland Miami Houston Ahmedabad Jakarta Seoul Warsaw Nanjing Hong Kong Salvador Beijing Medellín Paris

Johannesburg Singapore Lisbon Wuhan Bangkok Bengaluru Fuzhou Zhenjiang San Francisco Portland Shanghai Dakar Freetown Washington, DC Cape Town Rotterdam Mexico City Mumbai Chennai Dhaka (North & South) Dalian Yokohama Karachi Dar es Salaam Copenhagen Curitiba Barcelona Milan Melbourne Philadelphia Qingdao Johannesburg Singapore Lisbon Wuhan Bangkok Bengaluru Fuzhou Zhenjiang San Francisco Portland Shanghai Dakar Freetown Washington, DC Cape Town Rotterdam Mexico City Mumbai Chennai Dhaka (North & South) Dalian Yokohama Karachi Dar es Salaam Copenhagen Curitiba Barcelona Milan Melbourne Philadelphia Qingdao