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

Milan Tokyo Warsaw Buenos Aires Stockholm Houston Tel Aviv – Yafo New Orleans Lima Chengdu Nanjing Freetown Delhi NCT Shanghai Berlin Phoenix Amsterdam Lagos Seattle Nairobi Ekurhuleni Cape Town Tshwane Miami Curitiba Athens Karachi Dhaka (North & South) Barcelona Bogotá Dar es Salaam Vancouver Boston Milan Tokyo Warsaw Buenos Aires Stockholm Houston Tel Aviv – Yafo New Orleans Lima Chengdu Nanjing Freetown Delhi NCT Shanghai Berlin Phoenix Amsterdam Lagos Seattle Nairobi Ekurhuleni Cape Town Tshwane Miami Curitiba Athens Karachi Dhaka (North & South) Barcelona Bogotá Dar es Salaam Vancouver Boston

Medellín Rio de Janeiro Montréal Guangzhou Hong Kong Ho Chi Minh City Copenhagen London Casablanca Johannesburg Lisbon Addis Ababa Mumbai Santiago Heidelberg Toronto Amman Istanbul Rome Melbourne Dalian Shenzhen Wuhan Madrid Ahmedabad Qingdao Paris Quezon City Sydney Fortaleza Washington, DC Auckland Guadalajara Medellín Rio de Janeiro Montréal Guangzhou Hong Kong Ho Chi Minh City Copenhagen London Casablanca Johannesburg Lisbon Addis Ababa Mumbai Santiago Heidelberg Toronto Amman Istanbul Rome Melbourne Dalian Shenzhen Wuhan Madrid Ahmedabad Qingdao Paris Quezon City Sydney Fortaleza Washington, DC Auckland Guadalajara

Singapore Dakar São Paulo Fuzhou Zhenjiang Yokohama Chennai Beijing Quito Hanoi Dubai Bengaluru San Francisco Abidjan New York City Jakarta Kuala Lumpur Mexico City Portland Oslo Bangkok Austin Chicago Rotterdam Philadelphia Hangzhou Seoul Salvador Durban (eThekwini) Accra Los Angeles Singapore Dakar São Paulo Fuzhou Zhenjiang Yokohama Chennai Beijing Quito Hanoi Dubai Bengaluru San Francisco Abidjan New York City Jakarta Kuala Lumpur Mexico City Portland Oslo Bangkok Austin Chicago Rotterdam Philadelphia Hangzhou Seoul Salvador Durban (eThekwini) Accra Los Angeles