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

Tokyo Washington, DC Philadelphia Abidjan Bangkok Nanjing Boston Shanghai São Paulo Lima Nairobi Stockholm New Orleans Wuhan Fuzhou Berlin Sydney Chengdu Dakar Barcelona Chennai Guangzhou Chicago Dhaka (North & South) Beijing Copenhagen Hangzhou Accra London Austin Mexico City Fortaleza Tel Aviv – Yafo Tokyo Washington, DC Philadelphia Abidjan Bangkok Nanjing Boston Shanghai São Paulo Lima Nairobi Stockholm New Orleans Wuhan Fuzhou Berlin Sydney Chengdu Dakar Barcelona Chennai Guangzhou Chicago Dhaka (North & South) Beijing Copenhagen Hangzhou Accra London Austin Mexico City Fortaleza Tel Aviv – Yafo

Lagos Seoul Zhenjiang Quito Durban (eThekwini) Phoenix New York City Madrid Mumbai Paris Guadalajara Buenos Aires Rio de Janeiro Ekurhuleni Warsaw Milan Medellín Amsterdam Melbourne Curitiba Toronto Hong Kong Houston San Francisco Addis Ababa Tshwane Cape Town Los Angeles Yokohama Qingdao Jakarta Rotterdam Montréal Lagos Seoul Zhenjiang Quito Durban (eThekwini) Phoenix New York City Madrid Mumbai Paris Guadalajara Buenos Aires Rio de Janeiro Ekurhuleni Warsaw Milan Medellín Amsterdam Melbourne Curitiba Toronto Hong Kong Houston San Francisco Addis Ababa Tshwane Cape Town Los Angeles Yokohama Qingdao Jakarta Rotterdam Montréal

Shenzhen Athens Hanoi Seattle Singapore Auckland Bogotá Kuala Lumpur Vancouver Rome Casablanca Quezon City Portland Amman Ahmedabad Dar es Salaam Bengaluru Lisbon Heidelberg Santiago Dalian Dubai Oslo Freetown Miami Delhi NCT Karachi Johannesburg Ho Chi Minh City Salvador Istanbul Shenzhen Athens Hanoi Seattle Singapore Auckland Bogotá Kuala Lumpur Vancouver Rome Casablanca Quezon City Portland Amman Ahmedabad Dar es Salaam Bengaluru Lisbon Heidelberg Santiago Dalian Dubai Oslo Freetown Miami Delhi NCT Karachi Johannesburg Ho Chi Minh City Salvador Istanbul