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

Rotterdam Hanoi Guadalajara Vancouver Johannesburg Chengdu Durban (eThekwini) Addis Ababa Beijing Shenzhen Dar es Salaam Singapore Curitiba Houston Ekurhuleni Hong Kong Tshwane Salvador Toronto Karachi Mumbai Heidelberg Quito Rome Dakar Chicago Oslo London Berlin Milan Madrid Dhaka (North & South) Athens Rotterdam Hanoi Guadalajara Vancouver Johannesburg Chengdu Durban (eThekwini) Addis Ababa Beijing Shenzhen Dar es Salaam Singapore Curitiba Houston Ekurhuleni Hong Kong Tshwane Salvador Toronto Karachi Mumbai Heidelberg Quito Rome Dakar Chicago Oslo London Berlin Milan Madrid Dhaka (North & South) Athens

Bengaluru Montréal Casablanca Tel Aviv – Yafo Shanghai Lima Bogotá Fortaleza Auckland Seattle Kuala Lumpur Amsterdam Quezon City São Paulo Buenos Aires Sydney Abidjan Dubai Ahmedabad Yokohama Chennai Seoul Paris Mexico City Los Angeles Bangkok Qingdao Zhenjiang Istanbul Melbourne Philadelphia Cape Town Copenhagen Bengaluru Montréal Casablanca Tel Aviv – Yafo Shanghai Lima Bogotá Fortaleza Auckland Seattle Kuala Lumpur Amsterdam Quezon City São Paulo Buenos Aires Sydney Abidjan Dubai Ahmedabad Yokohama Chennai Seoul Paris Mexico City Los Angeles Bangkok Qingdao Zhenjiang Istanbul Melbourne Philadelphia Cape Town Copenhagen

Barcelona Miami Amman Medellín Stockholm New Orleans Wuhan Washington, DC Lisbon Rio de Janeiro Jakarta Warsaw Lagos Santiago Delhi NCT Ho Chi Minh City New York City Boston Tokyo Nanjing San Francisco Fuzhou Portland Freetown Nairobi Phoenix Hangzhou Dalian Accra Guangzhou Austin Barcelona Miami Amman Medellín Stockholm New Orleans Wuhan Washington, DC Lisbon Rio de Janeiro Jakarta Warsaw Lagos Santiago Delhi NCT Ho Chi Minh City New York City Boston Tokyo Nanjing San Francisco Fuzhou Portland Freetown Nairobi Phoenix Hangzhou Dalian Accra Guangzhou Austin