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

Copenhagen New York City Wuhan Tel Aviv – Yafo Houston Lima Bangkok Quezon City Hanoi Guadalajara Montréal Abidjan Paris Addis Ababa Hangzhou Ekurhuleni San Francisco Dar es Salaam Mumbai Austin Guangzhou Phoenix Miami Los Angeles London Amman Dubai Boston Portland Freetown Accra Fortaleza Copenhagen New York City Wuhan Tel Aviv – Yafo Houston Lima Bangkok Quezon City Hanoi Guadalajara Montréal Abidjan Paris Addis Ababa Hangzhou Ekurhuleni San Francisco Dar es Salaam Mumbai Austin Guangzhou Phoenix Miami Los Angeles London Amman Dubai Boston Portland Freetown Accra Fortaleza

Zhenjiang Milan Johannesburg New Orleans Warsaw Tshwane Ahmedabad Rome Shenzhen Fuzhou Beijing Rio de Janeiro Amsterdam Buenos Aires Lisbon Toronto Rotterdam Cape Town Chicago Vancouver Tokyo Jakarta Seoul Nanjing Durban (eThekwini) Auckland São Paulo Curitiba Delhi NCT Shanghai Philadelphia Bengaluru Zhenjiang Milan Johannesburg New Orleans Warsaw Tshwane Ahmedabad Rome Shenzhen Fuzhou Beijing Rio de Janeiro Amsterdam Buenos Aires Lisbon Toronto Rotterdam Cape Town Chicago Vancouver Tokyo Jakarta Seoul Nanjing Durban (eThekwini) Auckland São Paulo Curitiba Delhi NCT Shanghai Philadelphia Bengaluru

Lagos Sydney Heidelberg Dalian Seattle Berlin Kuala Lumpur Quito Karachi Chennai Nairobi Madrid Ho Chi Minh City Oslo Yokohama Hong Kong Stockholm Dhaka (North & South) Salvador Istanbul Melbourne Washington, DC Athens Qingdao Singapore Barcelona Dakar Bogotá Santiago Medellín Mexico City Chengdu Lagos Sydney Heidelberg Dalian Seattle Berlin Kuala Lumpur Quito Karachi Chennai Nairobi Madrid Ho Chi Minh City Oslo Yokohama Hong Kong Stockholm Dhaka (North & South) Salvador Istanbul Melbourne Washington, DC Athens Qingdao Singapore Barcelona Dakar Bogotá Santiago Medellín Mexico City Chengdu