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

Santiago Nairobi Dubai Rotterdam Fuzhou Dhaka (North & South) Guadalajara Kuala Lumpur Phoenix Bengaluru Jakarta Hanoi Abidjan Quezon City Amsterdam Tshwane Johannesburg Guangzhou New Orleans Stockholm Philadelphia Buenos Aires Los Angeles Bogotá Athens Portland Houston Dalian Beijing Seoul Medellín Vancouver Durban (eThekwini) Santiago Nairobi Dubai Rotterdam Fuzhou Dhaka (North & South) Guadalajara Kuala Lumpur Phoenix Bengaluru Jakarta Hanoi Abidjan Quezon City Amsterdam Tshwane Johannesburg Guangzhou New Orleans Stockholm Philadelphia Buenos Aires Los Angeles Bogotá Athens Portland Houston Dalian Beijing Seoul Medellín Vancouver Durban (eThekwini)

Chennai Shanghai Curitiba Casablanca Paris Austin Bangkok Singapore London Milan Lima Heidelberg Melbourne Tel Aviv – Yafo Ho Chi Minh City San Francisco Rio de Janeiro Auckland Freetown Cape Town Hong Kong Boston Yokohama Warsaw Sydney Addis Ababa Qingdao Lagos Miami Quito Zhenjiang Amman Shenzhen Chennai Shanghai Curitiba Casablanca Paris Austin Bangkok Singapore London Milan Lima Heidelberg Melbourne Tel Aviv – Yafo Ho Chi Minh City San Francisco Rio de Janeiro Auckland Freetown Cape Town Hong Kong Boston Yokohama Warsaw Sydney Addis Ababa Qingdao Lagos Miami Quito Zhenjiang Amman Shenzhen

Seattle Fortaleza Ahmedabad Montréal Lisbon Copenhagen Tokyo Dakar Delhi NCT Chicago Accra Karachi Nanjing Mumbai Rome Salvador Chengdu New York City Washington, DC Wuhan Barcelona Ekurhuleni Oslo Toronto Hangzhou São Paulo Mexico City Istanbul Dar es Salaam Berlin Madrid Seattle Fortaleza Ahmedabad Montréal Lisbon Copenhagen Tokyo Dakar Delhi NCT Chicago Accra Karachi Nanjing Mumbai Rome Salvador Chengdu New York City Washington, DC Wuhan Barcelona Ekurhuleni Oslo Toronto Hangzhou São Paulo Mexico City Istanbul Dar es Salaam Berlin Madrid