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

Los Angeles Qingdao Abidjan Hanoi Stockholm Dhaka (North & South) Wuhan Vancouver Washington, DC Addis Ababa Nairobi Lisbon Jakarta Seoul Boston Amsterdam Shanghai Mexico City Delhi NCT Oslo Freetown Shenzhen Ekurhuleni Karachi Hong Kong Phoenix Barcelona Chicago Montréal Copenhagen Durban (eThekwini) Singapore Miami Los Angeles Qingdao Abidjan Hanoi Stockholm Dhaka (North & South) Wuhan Vancouver Washington, DC Addis Ababa Nairobi Lisbon Jakarta Seoul Boston Amsterdam Shanghai Mexico City Delhi NCT Oslo Freetown Shenzhen Ekurhuleni Karachi Hong Kong Phoenix Barcelona Chicago Montréal Copenhagen Durban (eThekwini) Singapore Miami

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