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

Lisbon Tel Aviv – Yafo Accra Mumbai Stockholm Guangzhou Portland Tshwane Montréal Abidjan Melbourne Freetown Quito Delhi NCT London Lima Chicago Berlin Bengaluru Buenos Aires Zhenjiang Boston Hangzhou Salvador Karachi Santiago Miami São Paulo Johannesburg Toronto Durban (eThekwini) Chennai Rome Lisbon Tel Aviv – Yafo Accra Mumbai Stockholm Guangzhou Portland Tshwane Montréal Abidjan Melbourne Freetown Quito Delhi NCT London Lima Chicago Berlin Bengaluru Buenos Aires Zhenjiang Boston Hangzhou Salvador Karachi Santiago Miami São Paulo Johannesburg Toronto Durban (eThekwini) Chennai Rome

Dubai Nairobi Warsaw Milan Dhaka (North & South) Addis Ababa Los Angeles Quezon City Ekurhuleni Washington, DC Lagos Casablanca Singapore Cape Town Seoul Bangkok Guadalajara Athens Heidelberg Hong Kong Kuala Lumpur Amman Jakarta Seattle Medellín Chengdu Oslo Copenhagen Qingdao San Francisco Vancouver Wuhan Curitiba Dubai Nairobi Warsaw Milan Dhaka (North & South) Addis Ababa Los Angeles Quezon City Ekurhuleni Washington, DC Lagos Casablanca Singapore Cape Town Seoul Bangkok Guadalajara Athens Heidelberg Hong Kong Kuala Lumpur Amman Jakarta Seattle Medellín Chengdu Oslo Copenhagen Qingdao San Francisco Vancouver Wuhan Curitiba

Ho Chi Minh City Istanbul Shenzhen Fortaleza Dar es Salaam Beijing Shanghai Nanjing Austin Madrid Ahmedabad Rio de Janeiro Mexico City New York City Dalian Fuzhou Tokyo Dakar Yokohama Houston Hanoi Amsterdam Rotterdam Philadelphia Sydney New Orleans Phoenix Bogotá Barcelona Auckland Paris Ho Chi Minh City Istanbul Shenzhen Fortaleza Dar es Salaam Beijing Shanghai Nanjing Austin Madrid Ahmedabad Rio de Janeiro Mexico City New York City Dalian Fuzhou Tokyo Dakar Yokohama Houston Hanoi Amsterdam Rotterdam Philadelphia Sydney New Orleans Phoenix Bogotá Barcelona Auckland Paris