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

Kolkata Rome Mumbai Cape Town Berlin Dubai San Francisco Madrid Curitiba Tokyo Stockholm Melbourne Medellín Fuzhou Nanjing Toronto Tshwane Delhi NCT Auckland Jakarta Wuhan Beijing Guadalajara Bogotá Barcelona Copenhagen Portland Washington, DC Oslo Dakar New Orleans Amman Kolkata Rome Mumbai Cape Town Berlin Dubai San Francisco Madrid Curitiba Tokyo Stockholm Melbourne Medellín Fuzhou Nanjing Toronto Tshwane Delhi NCT Auckland Jakarta Wuhan Beijing Guadalajara Bogotá Barcelona Copenhagen Portland Washington, DC Oslo Dakar New Orleans Amman

Chicago Chennai New York City Karachi Philadelphia Bangkok Addis Ababa Vancouver Ekurhuleni Dhaka (North & South) Austin Lima Singapore Heidelberg Montréal Kuala Lumpur Milan Salvador Abidjan Hanoi Johannesburg Boston Lagos Paris Mexico City Santiago Qingdao Quezon City Shanghai Durban (eThekwini) Nairobi Los Angeles Chicago Chennai New York City Karachi Philadelphia Bangkok Addis Ababa Vancouver Ekurhuleni Dhaka (North & South) Austin Lima Singapore Heidelberg Montréal Kuala Lumpur Milan Salvador Abidjan Hanoi Johannesburg Boston Lagos Paris Mexico City Santiago Qingdao Quezon City Shanghai Durban (eThekwini) Nairobi Los Angeles

Seattle Hangzhou London Athens Hong Kong Accra Yokohama Dalian Ahmedabad Miami Bengaluru Guangzhou Dar es Salaam Buenos Aires Warsaw São Paulo Sydney Ho Chi Minh City Tel Aviv – Yafo Shenzhen Rotterdam Freetown Amsterdam Istanbul Chengdu Zhenjiang Phoenix Houston Quito Lisbon Rio de Janeiro Seoul Seattle Hangzhou London Athens Hong Kong Accra Yokohama Dalian Ahmedabad Miami Bengaluru Guangzhou Dar es Salaam Buenos Aires Warsaw São Paulo Sydney Ho Chi Minh City Tel Aviv – Yafo Shenzhen Rotterdam Freetown Amsterdam Istanbul Chengdu Zhenjiang Phoenix Houston Quito Lisbon Rio de Janeiro Seoul