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

Montréal Addis Ababa Vancouver Melbourne Dhaka (North & South) Miami Portland Heidelberg Buenos Aires Dubai Ho Chi Minh City Shenzhen San Francisco Athens Austin Jakarta Singapore Hong Kong Quezon City London Milan Seattle Chicago São Paulo Medellín Auckland Lima Rio de Janeiro New York City Casablanca Fortaleza Salvador Madrid Montréal Addis Ababa Vancouver Melbourne Dhaka (North & South) Miami Portland Heidelberg Buenos Aires Dubai Ho Chi Minh City Shenzhen San Francisco Athens Austin Jakarta Singapore Hong Kong Quezon City London Milan Seattle Chicago São Paulo Medellín Auckland Lima Rio de Janeiro New York City Casablanca Fortaleza Salvador Madrid

Rome Ahmedabad Fuzhou Berlin Dalian Kuala Lumpur Bogotá Los Angeles Tshwane Chengdu New Orleans Dakar Tokyo Hangzhou Warsaw Lisbon Paris Lagos Nairobi Oslo Wuhan Yokohama Bengaluru Guadalajara Johannesburg Boston Freetown Qingdao Copenhagen Washington, DC Accra Zhenjiang Nanjing Rome Ahmedabad Fuzhou Berlin Dalian Kuala Lumpur Bogotá Los Angeles Tshwane Chengdu New Orleans Dakar Tokyo Hangzhou Warsaw Lisbon Paris Lagos Nairobi Oslo Wuhan Yokohama Bengaluru Guadalajara Johannesburg Boston Freetown Qingdao Copenhagen Washington, DC Accra Zhenjiang Nanjing

Quito Beijing Toronto Cape Town Amsterdam Abidjan Durban (eThekwini) Ekurhuleni Mexico City Seoul Tel Aviv – Yafo Barcelona Amman Guangzhou Bangkok Delhi NCT Philadelphia Phoenix Santiago Karachi Chennai Rotterdam Dar es Salaam Sydney Curitiba Stockholm Shanghai Houston Mumbai Istanbul Hanoi Quito Beijing Toronto Cape Town Amsterdam Abidjan Durban (eThekwini) Ekurhuleni Mexico City Seoul Tel Aviv – Yafo Barcelona Amman Guangzhou Bangkok Delhi NCT Philadelphia Phoenix Santiago Karachi Chennai Rotterdam Dar es Salaam Sydney Curitiba Stockholm Shanghai Houston Mumbai Istanbul Hanoi