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

Bangkok Cape Town New Orleans Lagos Vancouver Karachi Johannesburg Nairobi London Milan Lisbon Chicago Warsaw Tokyo Guangzhou Buenos Aires Amman Shenzhen Beijing San Francisco Tshwane Oslo Portland Chennai Rio de Janeiro Auckland Heidelberg Zhenjiang Mexico City Abidjan Phoenix Toronto Bangkok Cape Town New Orleans Lagos Vancouver Karachi Johannesburg Nairobi London Milan Lisbon Chicago Warsaw Tokyo Guangzhou Buenos Aires Amman Shenzhen Beijing San Francisco Tshwane Oslo Portland Chennai Rio de Janeiro Auckland Heidelberg Zhenjiang Mexico City Abidjan Phoenix Toronto

Amsterdam Rotterdam Miami Jakarta Dalian Los Angeles Hong Kong Nanjing Seoul Quito Quezon City Delhi NCT Montréal Yokohama Salvador Durban (eThekwini) Kolkata Philadelphia Ahmedabad Medellín São Paulo Lima Mumbai Accra Melbourne Singapore Wuhan Houston Curitiba Dubai Santiago Guadalajara Amsterdam Rotterdam Miami Jakarta Dalian Los Angeles Hong Kong Nanjing Seoul Quito Quezon City Delhi NCT Montréal Yokohama Salvador Durban (eThekwini) Kolkata Philadelphia Ahmedabad Medellín São Paulo Lima Mumbai Accra Melbourne Singapore Wuhan Houston Curitiba Dubai Santiago Guadalajara

Chengdu Istanbul Bengaluru Fuzhou Paris Addis Ababa Shanghai Tel Aviv – Yafo Madrid Boston Rome Ho Chi Minh City Stockholm Washington, DC Hanoi Dar es Salaam Qingdao Kuala Lumpur Dakar Berlin Hangzhou Copenhagen Dhaka (North & South) Athens Freetown Austin New York City Seattle Sydney Bogotá Ekurhuleni Barcelona Chengdu Istanbul Bengaluru Fuzhou Paris Addis Ababa Shanghai Tel Aviv – Yafo Madrid Boston Rome Ho Chi Minh City Stockholm Washington, DC Hanoi Dar es Salaam Qingdao Kuala Lumpur Dakar Berlin Hangzhou Copenhagen Dhaka (North & South) Athens Freetown Austin New York City Seattle Sydney Bogotá Ekurhuleni Barcelona