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

Barcelona Toronto Wuhan Phoenix London Bengaluru Copenhagen Dar es Salaam Curitiba Melbourne Abidjan Amsterdam Guangzhou Warsaw Cape Town Rio de Janeiro Seattle Oslo Qingdao Amman Shanghai Quezon City Houston Johannesburg Lima Rome Berlin Zhenjiang New Orleans New York City Portland Lagos Barcelona Toronto Wuhan Phoenix London Bengaluru Copenhagen Dar es Salaam Curitiba Melbourne Abidjan Amsterdam Guangzhou Warsaw Cape Town Rio de Janeiro Seattle Oslo Qingdao Amman Shanghai Quezon City Houston Johannesburg Lima Rome Berlin Zhenjiang New Orleans New York City Portland Lagos

Hangzhou Tshwane Austin Istanbul Freetown Montréal Philadelphia Mexico City Ahmedabad Jakarta Dalian Yokohama Milan Hong Kong San Francisco Karachi Chicago Bogotá Seoul Salvador Auckland Los Angeles Ho Chi Minh City Tokyo Hanoi Fuzhou Medellín Ekurhuleni Athens Singapore Accra Boston Hangzhou Tshwane Austin Istanbul Freetown Montréal Philadelphia Mexico City Ahmedabad Jakarta Dalian Yokohama Milan Hong Kong San Francisco Karachi Chicago Bogotá Seoul Salvador Auckland Los Angeles Ho Chi Minh City Tokyo Hanoi Fuzhou Medellín Ekurhuleni Athens Singapore Accra Boston

Bangkok Kuala Lumpur Heidelberg Santiago Miami Quito Guadalajara Shenzhen Dhaka (North & South) Beijing Nanjing Chengdu Washington, DC Mumbai Delhi NCT Addis Ababa Buenos Aires Chennai Durban (eThekwini) Kolkata Dubai Tel Aviv – Yafo Madrid São Paulo Lisbon Sydney Vancouver Dakar Paris Nairobi Rotterdam Stockholm Bangkok Kuala Lumpur Heidelberg Santiago Miami Quito Guadalajara Shenzhen Dhaka (North & South) Beijing Nanjing Chengdu Washington, DC Mumbai Delhi NCT Addis Ababa Buenos Aires Chennai Durban (eThekwini) Kolkata Dubai Tel Aviv – Yafo Madrid São Paulo Lisbon Sydney Vancouver Dakar Paris Nairobi Rotterdam Stockholm