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

Quito Tshwane Toronto Curitiba Mexico City Lima Jakarta Rio de Janeiro Chengdu Boston Phoenix Austin Guangzhou Ho Chi Minh City Istanbul Madrid Vancouver Accra Portland Dar es Salaam Paris Beijing Fortaleza Washington, DC Los Angeles Freetown Medellín Houston Johannesburg Amman Copenhagen Amsterdam New Orleans Quito Tshwane Toronto Curitiba Mexico City Lima Jakarta Rio de Janeiro Chengdu Boston Phoenix Austin Guangzhou Ho Chi Minh City Istanbul Madrid Vancouver Accra Portland Dar es Salaam Paris Beijing Fortaleza Washington, DC Los Angeles Freetown Medellín Houston Johannesburg Amman Copenhagen Amsterdam New Orleans

Barcelona Abidjan Tel Aviv – Yafo Dakar Karachi Guadalajara Bengaluru Chicago Kuala Lumpur Rotterdam Dubai Warsaw Cape Town Milan Delhi NCT Salvador Dhaka (North & South) Melbourne Rome Philadelphia New York City Wuhan Ekurhuleni Lagos Montréal Hong Kong Yokohama Mumbai Seattle Santiago Qingdao Athens Tokyo Barcelona Abidjan Tel Aviv – Yafo Dakar Karachi Guadalajara Bengaluru Chicago Kuala Lumpur Rotterdam Dubai Warsaw Cape Town Milan Delhi NCT Salvador Dhaka (North & South) Melbourne Rome Philadelphia New York City Wuhan Ekurhuleni Lagos Montréal Hong Kong Yokohama Mumbai Seattle Santiago Qingdao Athens Tokyo

Addis Ababa Nanjing Auckland São Paulo Bangkok Stockholm Bogotá Shanghai Dalian Ahmedabad Sydney Zhenjiang Shenzhen Nairobi Singapore Heidelberg Berlin Quezon City Miami Fuzhou London San Francisco Hangzhou Buenos Aires Oslo Lisbon Seoul Chennai Hanoi Casablanca Durban (eThekwini) Addis Ababa Nanjing Auckland São Paulo Bangkok Stockholm Bogotá Shanghai Dalian Ahmedabad Sydney Zhenjiang Shenzhen Nairobi Singapore Heidelberg Berlin Quezon City Miami Fuzhou London San Francisco Hangzhou Buenos Aires Oslo Lisbon Seoul Chennai Hanoi Casablanca Durban (eThekwini)