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

Yokohama Amsterdam Copenhagen Zhenjiang Dubai San Francisco Philadelphia Johannesburg Mumbai Portland Tshwane Dakar Hanoi Medellín Bangkok Karachi Chicago Salvador Buenos Aires Wuhan Paris Dar es Salaam Durban (eThekwini) Austin Delhi NCT Accra Shenzhen Cape Town Stockholm New Orleans Curitiba Ahmedabad Berlin Yokohama Amsterdam Copenhagen Zhenjiang Dubai San Francisco Philadelphia Johannesburg Mumbai Portland Tshwane Dakar Hanoi Medellín Bangkok Karachi Chicago Salvador Buenos Aires Wuhan Paris Dar es Salaam Durban (eThekwini) Austin Delhi NCT Accra Shenzhen Cape Town Stockholm New Orleans Curitiba Ahmedabad Berlin

Beijing Mexico City Hong Kong Tel Aviv – Yafo Lima London Athens Ekurhuleni Washington, DC Singapore Vancouver Guadalajara Rio de Janeiro Lisbon Fortaleza Barcelona Milan Seoul Nanjing Bogotá Melbourne Los Angeles Quezon City São Paulo Fuzhou Bengaluru Qingdao Sydney Kuala Lumpur Ho Chi Minh City Abidjan Heidelberg Addis Ababa Beijing Mexico City Hong Kong Tel Aviv – Yafo Lima London Athens Ekurhuleni Washington, DC Singapore Vancouver Guadalajara Rio de Janeiro Lisbon Fortaleza Barcelona Milan Seoul Nanjing Bogotá Melbourne Los Angeles Quezon City São Paulo Fuzhou Bengaluru Qingdao Sydney Kuala Lumpur Ho Chi Minh City Abidjan Heidelberg Addis Ababa

Madrid Oslo Rome Tokyo Lagos Houston Rotterdam Chengdu Istanbul Guangzhou Toronto Freetown Dhaka (North & South) Warsaw New York City Boston Seattle Shanghai Quito Amman Montréal Dalian Santiago Casablanca Hangzhou Miami Nairobi Phoenix Jakarta Auckland Chennai Madrid Oslo Rome Tokyo Lagos Houston Rotterdam Chengdu Istanbul Guangzhou Toronto Freetown Dhaka (North & South) Warsaw New York City Boston Seattle Shanghai Quito Amman Montréal Dalian Santiago Casablanca Hangzhou Miami Nairobi Phoenix Jakarta Auckland Chennai