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

Bogotá Tshwane Nairobi Mumbai New York City Heidelberg Abidjan Athens Bengaluru Dakar Lagos Beijing Shanghai Madrid Stockholm Amsterdam Nanjing São Paulo Milan Hangzhou Shenzhen Dubai Oslo Jakarta Amman Seattle Boston Rotterdam Rio de Janeiro Mexico City Yokohama Auckland Bogotá Tshwane Nairobi Mumbai New York City Heidelberg Abidjan Athens Bengaluru Dakar Lagos Beijing Shanghai Madrid Stockholm Amsterdam Nanjing São Paulo Milan Hangzhou Shenzhen Dubai Oslo Jakarta Amman Seattle Boston Rotterdam Rio de Janeiro Mexico City Yokohama Auckland

Curitiba Chennai Buenos Aires Copenhagen Philadelphia Ahmedabad Tokyo Accra Wuhan Istanbul New Orleans Chicago Quito Houston Dhaka (North & South) Lisbon Chengdu Dar es Salaam Guadalajara Fuzhou Los Angeles Delhi NCT Washington, DC Durban (eThekwini) Karachi Johannesburg Guangzhou Ho Chi Minh City Bangkok Montréal Kolkata San Francisco Curitiba Chennai Buenos Aires Copenhagen Philadelphia Ahmedabad Tokyo Accra Wuhan Istanbul New Orleans Chicago Quito Houston Dhaka (North & South) Lisbon Chengdu Dar es Salaam Guadalajara Fuzhou Los Angeles Delhi NCT Washington, DC Durban (eThekwini) Karachi Johannesburg Guangzhou Ho Chi Minh City Bangkok Montréal Kolkata San Francisco

Medellín Rome Quezon City Dalian Zhenjiang Miami Qingdao Vancouver Austin Kuala Lumpur Ekurhuleni Phoenix Singapore London Seoul Portland Hong Kong Warsaw Cape Town Lima Toronto Berlin Sydney Hanoi Melbourne Santiago Paris Addis Ababa Barcelona Freetown Salvador Tel Aviv – Yafo Medellín Rome Quezon City Dalian Zhenjiang Miami Qingdao Vancouver Austin Kuala Lumpur Ekurhuleni Phoenix Singapore London Seoul Portland Hong Kong Warsaw Cape Town Lima Toronto Berlin Sydney Hanoi Melbourne Santiago Paris Addis Ababa Barcelona Freetown Salvador Tel Aviv – Yafo