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

Buenos Aires Rio de Janeiro Chennai Wuhan Quito Tel Aviv – Yafo Austin Dhaka (North & South) Shanghai Tokyo Heidelberg Beijing Auckland Paris Chengdu Melbourne Istanbul Dubai Nairobi Accra Vancouver Portland Toronto Singapore London Miami Amman Athens San Francisco Warsaw Rome Hong Kong Buenos Aires Rio de Janeiro Chennai Wuhan Quito Tel Aviv – Yafo Austin Dhaka (North & South) Shanghai Tokyo Heidelberg Beijing Auckland Paris Chengdu Melbourne Istanbul Dubai Nairobi Accra Vancouver Portland Toronto Singapore London Miami Amman Athens San Francisco Warsaw Rome Hong Kong

Nanjing Madrid Stockholm Fortaleza Qingdao New Orleans Yokohama Santiago Washington, DC Phoenix São Paulo Seoul Sydney Hangzhou Hanoi Bangkok Boston Houston Barcelona Abidjan Bengaluru New York City Zhenjiang Mexico City Dar es Salaam Ekurhuleni Curitiba Mumbai Jakarta Milan Quezon City Chicago Nanjing Madrid Stockholm Fortaleza Qingdao New Orleans Yokohama Santiago Washington, DC Phoenix São Paulo Seoul Sydney Hangzhou Hanoi Bangkok Boston Houston Barcelona Abidjan Bengaluru New York City Zhenjiang Mexico City Dar es Salaam Ekurhuleni Curitiba Mumbai Jakarta Milan Quezon City Chicago

Kuala Lumpur Seattle Amsterdam Berlin Cape Town Fuzhou Shenzhen Dakar Dalian Copenhagen Rotterdam Salvador Ahmedabad Freetown Oslo Guangzhou Ho Chi Minh City Tshwane Medellín Guadalajara Bogotá Philadelphia Lisbon Montréal Addis Ababa Los Angeles Lagos Johannesburg Delhi NCT Durban (eThekwini) Karachi Lima Kuala Lumpur Seattle Amsterdam Berlin Cape Town Fuzhou Shenzhen Dakar Dalian Copenhagen Rotterdam Salvador Ahmedabad Freetown Oslo Guangzhou Ho Chi Minh City Tshwane Medellín Guadalajara Bogotá Philadelphia Lisbon Montréal Addis Ababa Los Angeles Lagos Johannesburg Delhi NCT Durban (eThekwini) Karachi Lima