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

Seoul Amman Istanbul Shenzhen Dubai Sydney Heidelberg Chicago Rotterdam Dakar São Paulo Accra Toronto Madrid Hangzhou Freetown Stockholm Lima Ekurhuleni Bogotá Qingdao Tshwane Auckland Houston Ahmedabad Athens Cape Town Fuzhou Tokyo Bengaluru Kolkata Kuala Lumpur Seoul Amman Istanbul Shenzhen Dubai Sydney Heidelberg Chicago Rotterdam Dakar São Paulo Accra Toronto Madrid Hangzhou Freetown Stockholm Lima Ekurhuleni Bogotá Qingdao Tshwane Auckland Houston Ahmedabad Athens Cape Town Fuzhou Tokyo Bengaluru Kolkata Kuala Lumpur

Rio de Janeiro Dar es Salaam Salvador Philadelphia Quezon City Oslo London Phoenix Warsaw Boston Guadalajara Austin New Orleans Amsterdam Tel Aviv – Yafo Seattle Mexico City Berlin Shanghai Singapore Dhaka (North & South) Medellín Chengdu Bangkok Hong Kong Rome Mumbai Nairobi Guangzhou New York City Los Angeles Durban (eThekwini) Rio de Janeiro Dar es Salaam Salvador Philadelphia Quezon City Oslo London Phoenix Warsaw Boston Guadalajara Austin New Orleans Amsterdam Tel Aviv – Yafo Seattle Mexico City Berlin Shanghai Singapore Dhaka (North & South) Medellín Chengdu Bangkok Hong Kong Rome Mumbai Nairobi Guangzhou New York City Los Angeles Durban (eThekwini)

Abidjan Lisbon Quito Beijing Hanoi Milan Lagos Addis Ababa Delhi NCT Portland Jakarta Karachi Barcelona Paris Santiago Zhenjiang San Francisco Nanjing Johannesburg Melbourne Dalian Miami Buenos Aires Curitiba Yokohama Montréal Wuhan Washington, DC Chennai Vancouver Copenhagen Ho Chi Minh City Abidjan Lisbon Quito Beijing Hanoi Milan Lagos Addis Ababa Delhi NCT Portland Jakarta Karachi Barcelona Paris Santiago Zhenjiang San Francisco Nanjing Johannesburg Melbourne Dalian Miami Buenos Aires Curitiba Yokohama Montréal Wuhan Washington, DC Chennai Vancouver Copenhagen Ho Chi Minh City