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

Stockholm Sydney Washington, DC Seattle Lagos Copenhagen Accra Cape Town Mumbai Melbourne Freetown Toronto Warsaw Montréal Quito Hangzhou Guadalajara Amsterdam Athens Guangzhou Paris Dubai Yokohama Chennai San Francisco Tokyo Zhenjiang Buenos Aires Fuzhou São Paulo Quezon City Nairobi Auckland Stockholm Sydney Washington, DC Seattle Lagos Copenhagen Accra Cape Town Mumbai Melbourne Freetown Toronto Warsaw Montréal Quito Hangzhou Guadalajara Amsterdam Athens Guangzhou Paris Dubai Yokohama Chennai San Francisco Tokyo Zhenjiang Buenos Aires Fuzhou São Paulo Quezon City Nairobi Auckland

Bengaluru Lima Istanbul Heidelberg Chengdu Rome Madrid Barcelona Salvador Seoul Bangkok Shenzhen Delhi NCT Medellín Dalian Beijing Houston Durban (eThekwini) Jakarta Philadelphia Portland Abidjan Hong Kong Fortaleza Lisbon Austin Ho Chi Minh City Hanoi Dakar Bogotá Oslo Casablanca Rio de Janeiro Bengaluru Lima Istanbul Heidelberg Chengdu Rome Madrid Barcelona Salvador Seoul Bangkok Shenzhen Delhi NCT Medellín Dalian Beijing Houston Durban (eThekwini) Jakarta Philadelphia Portland Abidjan Hong Kong Fortaleza Lisbon Austin Ho Chi Minh City Hanoi Dakar Bogotá Oslo Casablanca Rio de Janeiro

Dhaka (North & South) Shanghai Mexico City Phoenix Amman Qingdao Santiago Dar es Salaam Chicago Wuhan New Orleans Miami Tshwane Milan Singapore Karachi Berlin Vancouver Ekurhuleni Tel Aviv – Yafo Nanjing Los Angeles London Curitiba Rotterdam Johannesburg Ahmedabad Boston Kuala Lumpur New York City Addis Ababa Dhaka (North & South) Shanghai Mexico City Phoenix Amman Qingdao Santiago Dar es Salaam Chicago Wuhan New Orleans Miami Tshwane Milan Singapore Karachi Berlin Vancouver Ekurhuleni Tel Aviv – Yafo Nanjing Los Angeles London Curitiba Rotterdam Johannesburg Ahmedabad Boston Kuala Lumpur New York City Addis Ababa