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

Quito Karachi Quezon City Medellín Salvador San Francisco Dakar Warsaw Rome Qingdao Dalian Miami Seattle Barcelona London Lagos Tel Aviv – Yafo Nairobi Rotterdam Durban (eThekwini) Hong Kong Fuzhou Amsterdam Houston Rio de Janeiro Nanjing Shanghai Addis Ababa Copenhagen Phoenix Toronto Chicago Quito Karachi Quezon City Medellín Salvador San Francisco Dakar Warsaw Rome Qingdao Dalian Miami Seattle Barcelona London Lagos Tel Aviv – Yafo Nairobi Rotterdam Durban (eThekwini) Hong Kong Fuzhou Amsterdam Houston Rio de Janeiro Nanjing Shanghai Addis Ababa Copenhagen Phoenix Toronto Chicago

Lisbon Mexico City Chennai Ekurhuleni Seoul Sydney New Orleans Shenzhen Bengaluru Stockholm Melbourne Bangkok Kuala Lumpur Ahmedabad Oslo Wuhan Beijing Athens Jakarta Lima Tokyo Boston Heidelberg Mumbai Abidjan Dhaka (North & South) Johannesburg Hanoi Singapore Portland Berlin Guadalajara Lisbon Mexico City Chennai Ekurhuleni Seoul Sydney New Orleans Shenzhen Bengaluru Stockholm Melbourne Bangkok Kuala Lumpur Ahmedabad Oslo Wuhan Beijing Athens Jakarta Lima Tokyo Boston Heidelberg Mumbai Abidjan Dhaka (North & South) Johannesburg Hanoi Singapore Portland Berlin Guadalajara

New York City Zhenjiang Dar es Salaam Amman Santiago Yokohama São Paulo Paris Hangzhou Accra Cape Town Freetown Kolkata Philadelphia Istanbul Curitiba Chengdu Buenos Aires Ho Chi Minh City Madrid Montréal Bogotá Los Angeles Guangzhou Tshwane Washington, DC Austin Dubai Milan Auckland Vancouver Delhi NCT New York City Zhenjiang Dar es Salaam Amman Santiago Yokohama São Paulo Paris Hangzhou Accra Cape Town Freetown Kolkata Philadelphia Istanbul Curitiba Chengdu Buenos Aires Ho Chi Minh City Madrid Montréal Bogotá Los Angeles Guangzhou Tshwane Washington, DC Austin Dubai Milan Auckland Vancouver Delhi NCT