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

Madrid Bengaluru Hangzhou Nairobi Melbourne San Francisco Buenos Aires Karachi Delhi NCT Dalian Johannesburg Santiago Copenhagen Lisbon Boston Abidjan Houston Dakar Austin São Paulo Istanbul Zhenjiang Hanoi Montréal Rome Berlin Salvador Milan Auckland Guangzhou Dubai Bangkok Hong Kong Madrid Bengaluru Hangzhou Nairobi Melbourne San Francisco Buenos Aires Karachi Delhi NCT Dalian Johannesburg Santiago Copenhagen Lisbon Boston Abidjan Houston Dakar Austin São Paulo Istanbul Zhenjiang Hanoi Montréal Rome Berlin Salvador Milan Auckland Guangzhou Dubai Bangkok Hong Kong

Bogotá Chengdu Portland Heidelberg Fortaleza Wuhan Warsaw Qingdao Barcelona Durban (eThekwini) Vancouver Ekurhuleni Quito Kuala Lumpur Addis Ababa Rio de Janeiro Fuzhou Jakarta Cape Town Amsterdam Los Angeles Oslo Ho Chi Minh City Paris Accra Lima Phoenix Singapore Casablanca Sydney Medellín Guadalajara Athens Bogotá Chengdu Portland Heidelberg Fortaleza Wuhan Warsaw Qingdao Barcelona Durban (eThekwini) Vancouver Ekurhuleni Quito Kuala Lumpur Addis Ababa Rio de Janeiro Fuzhou Jakarta Cape Town Amsterdam Los Angeles Oslo Ho Chi Minh City Paris Accra Lima Phoenix Singapore Casablanca Sydney Medellín Guadalajara Athens

New Orleans New York City Beijing Freetown Chennai Seattle Shenzhen Shanghai Seoul Yokohama Dhaka (North & South) Amman Dar es Salaam Lagos Rotterdam Washington, DC Tel Aviv – Yafo Curitiba Stockholm Mexico City Philadelphia London Tokyo Nanjing Miami Chicago Tshwane Ahmedabad Mumbai Quezon City Toronto New Orleans New York City Beijing Freetown Chennai Seattle Shenzhen Shanghai Seoul Yokohama Dhaka (North & South) Amman Dar es Salaam Lagos Rotterdam Washington, DC Tel Aviv – Yafo Curitiba Stockholm Mexico City Philadelphia London Tokyo Nanjing Miami Chicago Tshwane Ahmedabad Mumbai Quezon City Toronto