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

Tel Aviv – Yafo Medellín Stockholm Chennai Lisbon Fortaleza New York City Montréal Ekurhuleni Mumbai Houston Lagos Shanghai Chicago Freetown Amsterdam Johannesburg Abidjan Wuhan Barcelona Jakarta Guadalajara Shenzhen Zhenjiang Hong Kong Rio de Janeiro Dar es Salaam San Francisco Oslo Seoul Copenhagen Milan Warsaw Tel Aviv – Yafo Medellín Stockholm Chennai Lisbon Fortaleza New York City Montréal Ekurhuleni Mumbai Houston Lagos Shanghai Chicago Freetown Amsterdam Johannesburg Abidjan Wuhan Barcelona Jakarta Guadalajara Shenzhen Zhenjiang Hong Kong Rio de Janeiro Dar es Salaam San Francisco Oslo Seoul Copenhagen Milan Warsaw

Salvador Mexico City Los Angeles Cape Town Buenos Aires Qingdao Paris Bogotá Ho Chi Minh City Accra Seattle Nanjing Nairobi Melbourne Delhi NCT Yokohama Washington, DC Guangzhou Kuala Lumpur Curitiba Auckland Athens Dubai Ahmedabad Austin Berlin Miami Quito Hanoi Heidelberg Tokyo Toronto Bengaluru Salvador Mexico City Los Angeles Cape Town Buenos Aires Qingdao Paris Bogotá Ho Chi Minh City Accra Seattle Nanjing Nairobi Melbourne Delhi NCT Yokohama Washington, DC Guangzhou Kuala Lumpur Curitiba Auckland Athens Dubai Ahmedabad Austin Berlin Miami Quito Hanoi Heidelberg Tokyo Toronto Bengaluru

Tshwane Singapore Dakar Phoenix São Paulo Sydney Hangzhou Santiago Vancouver Chengdu Beijing Rome Dhaka (North & South) Durban (eThekwini) Madrid Philadelphia Karachi Boston Bangkok Portland New Orleans Quezon City Rotterdam Lima Istanbul Dalian Amman London Addis Ababa Casablanca Fuzhou Tshwane Singapore Dakar Phoenix São Paulo Sydney Hangzhou Santiago Vancouver Chengdu Beijing Rome Dhaka (North & South) Durban (eThekwini) Madrid Philadelphia Karachi Boston Bangkok Portland New Orleans Quezon City Rotterdam Lima Istanbul Dalian Amman London Addis Ababa Casablanca Fuzhou