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

Addis Ababa Rio de Janeiro Hong Kong Toronto Chengdu Medellín Ekurhuleni Qingdao Dakar Casablanca Kuala Lumpur Guadalajara Accra Dhaka (North & South) Chicago Delhi NCT Tshwane Montréal Boston Chennai Vancouver Fortaleza Tokyo Bangkok Shanghai Abidjan Seoul Philadelphia Melbourne Mumbai Lagos Jakarta Dalian Addis Ababa Rio de Janeiro Hong Kong Toronto Chengdu Medellín Ekurhuleni Qingdao Dakar Casablanca Kuala Lumpur Guadalajara Accra Dhaka (North & South) Chicago Delhi NCT Tshwane Montréal Boston Chennai Vancouver Fortaleza Tokyo Bangkok Shanghai Abidjan Seoul Philadelphia Melbourne Mumbai Lagos Jakarta Dalian

Lisbon Salvador Austin Lima Phoenix Fuzhou Los Angeles Dar es Salaam Washington, DC Copenhagen Beijing Auckland Portland Curitiba Wuhan Shenzhen Barcelona Buenos Aires New York City Oslo Hangzhou Rome São Paulo Berlin Singapore Johannesburg Seattle London Karachi Cape Town Athens Ahmedabad Istanbul Lisbon Salvador Austin Lima Phoenix Fuzhou Los Angeles Dar es Salaam Washington, DC Copenhagen Beijing Auckland Portland Curitiba Wuhan Shenzhen Barcelona Buenos Aires New York City Oslo Hangzhou Rome São Paulo Berlin Singapore Johannesburg Seattle London Karachi Cape Town Athens Ahmedabad Istanbul

Amsterdam Tel Aviv – Yafo Quezon City Bogotá Quito Sydney Guangzhou Dubai Nanjing Stockholm Durban (eThekwini) Yokohama Amman Freetown Warsaw Rotterdam Miami Mexico City Milan Heidelberg Ho Chi Minh City Zhenjiang Paris Bengaluru Houston New Orleans Hanoi Nairobi Santiago Madrid San Francisco Amsterdam Tel Aviv – Yafo Quezon City Bogotá Quito Sydney Guangzhou Dubai Nanjing Stockholm Durban (eThekwini) Yokohama Amman Freetown Warsaw Rotterdam Miami Mexico City Milan Heidelberg Ho Chi Minh City Zhenjiang Paris Bengaluru Houston New Orleans Hanoi Nairobi Santiago Madrid San Francisco