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

Lisbon Addis Ababa Montréal Nairobi Philadelphia Fuzhou Houston Austin Accra Quito San Francisco Ho Chi Minh City Jakarta Seoul Melbourne Bogotá Amman Heidelberg Guadalajara New York City Copenhagen Shanghai Rotterdam Milan Auckland Kuala Lumpur Fortaleza Phoenix Barcelona Medellín Toronto Cape Town Chengdu Lisbon Addis Ababa Montréal Nairobi Philadelphia Fuzhou Houston Austin Accra Quito San Francisco Ho Chi Minh City Jakarta Seoul Melbourne Bogotá Amman Heidelberg Guadalajara New York City Copenhagen Shanghai Rotterdam Milan Auckland Kuala Lumpur Fortaleza Phoenix Barcelona Medellín Toronto Cape Town Chengdu

Warsaw Los Angeles Dalian Buenos Aires Karachi Hong Kong Amsterdam Miami Chennai Sydney Yokohama Tokyo Hangzhou Singapore São Paulo Rome Ahmedabad Oslo Curitiba Guangzhou Paris Dubai New Orleans Seattle Beijing Nanjing Qingdao Abidjan Vancouver Casablanca Tel Aviv – Yafo Lagos London Warsaw Los Angeles Dalian Buenos Aires Karachi Hong Kong Amsterdam Miami Chennai Sydney Yokohama Tokyo Hangzhou Singapore São Paulo Rome Ahmedabad Oslo Curitiba Guangzhou Paris Dubai New Orleans Seattle Beijing Nanjing Qingdao Abidjan Vancouver Casablanca Tel Aviv – Yafo Lagos London

Boston Salvador Rio de Janeiro Tshwane Delhi NCT Dakar Portland Lima Durban (eThekwini) Madrid Hanoi Ekurhuleni Mumbai Wuhan Quezon City Dar es Salaam Freetown Shenzhen Athens Bangkok Zhenjiang Stockholm Mexico City Bengaluru Johannesburg Chicago Istanbul Dhaka (North & South) Berlin Washington, DC Santiago Boston Salvador Rio de Janeiro Tshwane Delhi NCT Dakar Portland Lima Durban (eThekwini) Madrid Hanoi Ekurhuleni Mumbai Wuhan Quezon City Dar es Salaam Freetown Shenzhen Athens Bangkok Zhenjiang Stockholm Mexico City Bengaluru Johannesburg Chicago Istanbul Dhaka (North & South) Berlin Washington, DC Santiago