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

Guangzhou Santiago Kuala Lumpur Tel Aviv – Yafo Bogotá Lisbon Addis Ababa Beijing Hanoi Barcelona Dalian New York City Salvador Curitiba Freetown Paris Seoul Shenzhen Qingdao Dakar Berlin Karachi Casablanca Durban (eThekwini) Wuhan Montréal Mexico City Fuzhou Sydney Houston Ahmedabad Dubai Tokyo Guangzhou Santiago Kuala Lumpur Tel Aviv – Yafo Bogotá Lisbon Addis Ababa Beijing Hanoi Barcelona Dalian New York City Salvador Curitiba Freetown Paris Seoul Shenzhen Qingdao Dakar Berlin Karachi Casablanca Durban (eThekwini) Wuhan Montréal Mexico City Fuzhou Sydney Houston Ahmedabad Dubai Tokyo

Copenhagen Shanghai Delhi NCT Melbourne Ekurhuleni Seattle Zhenjiang São Paulo Johannesburg Hong Kong Madrid Chicago Medellín Guadalajara Rotterdam Chennai London Chengdu Stockholm Boston Accra Dar es Salaam San Francisco Miami Heidelberg Rio de Janeiro Auckland Athens Buenos Aires Bengaluru Quito Hangzhou Cape Town Copenhagen Shanghai Delhi NCT Melbourne Ekurhuleni Seattle Zhenjiang São Paulo Johannesburg Hong Kong Madrid Chicago Medellín Guadalajara Rotterdam Chennai London Chengdu Stockholm Boston Accra Dar es Salaam San Francisco Miami Heidelberg Rio de Janeiro Auckland Athens Buenos Aires Bengaluru Quito Hangzhou Cape Town

Los Angeles Quezon City Phoenix Lima Ho Chi Minh City Vancouver Philadelphia Portland Nanjing Austin Istanbul Nairobi Rome Tshwane Jakarta Dhaka (North & South) Yokohama Oslo New Orleans Bangkok Toronto Singapore Amman Mumbai Abidjan Amsterdam Fortaleza Lagos Washington, DC Milan Warsaw Los Angeles Quezon City Phoenix Lima Ho Chi Minh City Vancouver Philadelphia Portland Nanjing Austin Istanbul Nairobi Rome Tshwane Jakarta Dhaka (North & South) Yokohama Oslo New Orleans Bangkok Toronto Singapore Amman Mumbai Abidjan Amsterdam Fortaleza Lagos Washington, DC Milan Warsaw