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

Phoenix Ekurhuleni Vancouver Philadelphia Wuhan Seattle Portland Yokohama Lagos Casablanca Curitiba São Paulo Rotterdam Athens Abidjan Washington, DC Kuala Lumpur Zhenjiang Bangkok Addis Ababa Accra Dakar Madrid Chicago Lima Hong Kong Barcelona Hangzhou Toronto Singapore Cape Town Amman Santiago Phoenix Ekurhuleni Vancouver Philadelphia Wuhan Seattle Portland Yokohama Lagos Casablanca Curitiba São Paulo Rotterdam Athens Abidjan Washington, DC Kuala Lumpur Zhenjiang Bangkok Addis Ababa Accra Dakar Madrid Chicago Lima Hong Kong Barcelona Hangzhou Toronto Singapore Cape Town Amman Santiago

Stockholm Melbourne Austin Freetown Lisbon Chennai Delhi NCT Nairobi Rome Medellín Dhaka (North & South) Guadalajara Milan New Orleans Amsterdam Bogotá Buenos Aires Rio de Janeiro Hanoi Berlin Qingdao Guangzhou Ahmedabad Mumbai Chengdu London Fuzhou Quito Heidelberg Shenzhen Nanjing Copenhagen Fortaleza Stockholm Melbourne Austin Freetown Lisbon Chennai Delhi NCT Nairobi Rome Medellín Dhaka (North & South) Guadalajara Milan New Orleans Amsterdam Bogotá Buenos Aires Rio de Janeiro Hanoi Berlin Qingdao Guangzhou Ahmedabad Mumbai Chengdu London Fuzhou Quito Heidelberg Shenzhen Nanjing Copenhagen Fortaleza

Los Angeles Dalian San Francisco Warsaw Auckland Montréal Dar es Salaam Miami Sydney Quezon City Tokyo Paris Istanbul Bengaluru Houston Jakarta Shanghai Mexico City Beijing Dubai Seoul Boston Salvador Durban (eThekwini) New York City Tshwane Johannesburg Ho Chi Minh City Tel Aviv – Yafo Oslo Karachi Los Angeles Dalian San Francisco Warsaw Auckland Montréal Dar es Salaam Miami Sydney Quezon City Tokyo Paris Istanbul Bengaluru Houston Jakarta Shanghai Mexico City Beijing Dubai Seoul Boston Salvador Durban (eThekwini) New York City Tshwane Johannesburg Ho Chi Minh City Tel Aviv – Yafo Oslo Karachi