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

Salvador Copenhagen Heidelberg Tel Aviv – Yafo Philadelphia London Nairobi Singapore Addis Ababa Athens Bengaluru Nanjing Dalian Rome Hangzhou Yokohama Chicago Oslo Istanbul Berlin Guangzhou Seoul Dhaka (North & South) Jakarta Stockholm Abidjan Chennai Curitiba Melbourne Warsaw New Orleans Ahmedabad Salvador Copenhagen Heidelberg Tel Aviv – Yafo Philadelphia London Nairobi Singapore Addis Ababa Athens Bengaluru Nanjing Dalian Rome Hangzhou Yokohama Chicago Oslo Istanbul Berlin Guangzhou Seoul Dhaka (North & South) Jakarta Stockholm Abidjan Chennai Curitiba Melbourne Warsaw New Orleans Ahmedabad

Boston Bogotá Tokyo Hanoi Quezon City Austin Dubai Beijing Rio de Janeiro Accra Tshwane Johannesburg Washington, DC Rotterdam Guadalajara Quito Los Angeles Dakar Zhenjiang Ekurhuleni Phoenix Dar es Salaam São Paulo Barcelona Karachi Shenzhen Miami Mumbai Fuzhou Buenos Aires Amsterdam Madrid Boston Bogotá Tokyo Hanoi Quezon City Austin Dubai Beijing Rio de Janeiro Accra Tshwane Johannesburg Washington, DC Rotterdam Guadalajara Quito Los Angeles Dakar Zhenjiang Ekurhuleni Phoenix Dar es Salaam São Paulo Barcelona Karachi Shenzhen Miami Mumbai Fuzhou Buenos Aires Amsterdam Madrid

Lima Lagos Mexico City Medellín Toronto Shanghai Seattle Milan Hong Kong Amman Vancouver Bangkok Sydney Paris Santiago Auckland Ho Chi Minh City Delhi NCT Houston Cape Town Portland New York City Chengdu Kuala Lumpur Lisbon Freetown Fortaleza Montréal Qingdao Durban (eThekwini) Wuhan San Francisco Lima Lagos Mexico City Medellín Toronto Shanghai Seattle Milan Hong Kong Amman Vancouver Bangkok Sydney Paris Santiago Auckland Ho Chi Minh City Delhi NCT Houston Cape Town Portland New York City Chengdu Kuala Lumpur Lisbon Freetown Fortaleza Montréal Qingdao Durban (eThekwini) Wuhan San Francisco