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

Chennai Boston Dar es Salaam Rotterdam Amman Melbourne Bogotá Seattle São Paulo Portland London Hangzhou Seoul Mexico City Zhenjiang Copenhagen Wuhan Warsaw Madrid Dalian Heidelberg Nairobi Fuzhou New Orleans Tel Aviv – Yafo Shanghai Tshwane Istanbul Hanoi Milan Toronto Ahmedabad Lisbon Chennai Boston Dar es Salaam Rotterdam Amman Melbourne Bogotá Seattle São Paulo Portland London Hangzhou Seoul Mexico City Zhenjiang Copenhagen Wuhan Warsaw Madrid Dalian Heidelberg Nairobi Fuzhou New Orleans Tel Aviv – Yafo Shanghai Tshwane Istanbul Hanoi Milan Toronto Ahmedabad Lisbon

Oslo Hong Kong Miami Stockholm Johannesburg Curitiba Durban (eThekwini) Paris Guangzhou Lagos Bangkok Montréal Chengdu San Francisco Yokohama Salvador Jakarta Rome Sydney Beijing Lima Tokyo Addis Ababa Austin Athens Ekurhuleni Medellín Abidjan Los Angeles Kuala Lumpur Auckland Singapore Cape Town Oslo Hong Kong Miami Stockholm Johannesburg Curitiba Durban (eThekwini) Paris Guangzhou Lagos Bangkok Montréal Chengdu San Francisco Yokohama Salvador Jakarta Rome Sydney Beijing Lima Tokyo Addis Ababa Austin Athens Ekurhuleni Medellín Abidjan Los Angeles Kuala Lumpur Auckland Singapore Cape Town

Bengaluru Berlin Vancouver Houston Guadalajara Barcelona Chicago Dakar Delhi NCT Dhaka (North & South) Shenzhen Freetown Dubai Phoenix Rio de Janeiro Washington, DC Santiago Nanjing Philadelphia Casablanca Accra Quezon City Buenos Aires Amsterdam Quito Karachi Ho Chi Minh City Fortaleza New York City Qingdao Mumbai Bengaluru Berlin Vancouver Houston Guadalajara Barcelona Chicago Dakar Delhi NCT Dhaka (North & South) Shenzhen Freetown Dubai Phoenix Rio de Janeiro Washington, DC Santiago Nanjing Philadelphia Casablanca Accra Quezon City Buenos Aires Amsterdam Quito Karachi Ho Chi Minh City Fortaleza New York City Qingdao Mumbai