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

Dubai Athens London Santiago Singapore Johannesburg Quezon City Heidelberg Hanoi Phoenix Addis Ababa Beijing Freetown Stockholm Lima Nairobi Madrid Tel Aviv – Yafo Ekurhuleni Medellín Kuala Lumpur Rome Portland Toronto Qingdao Abidjan Wuhan São Paulo Chengdu Houston Rotterdam Tshwane San Francisco Dubai Athens London Santiago Singapore Johannesburg Quezon City Heidelberg Hanoi Phoenix Addis Ababa Beijing Freetown Stockholm Lima Nairobi Madrid Tel Aviv – Yafo Ekurhuleni Medellín Kuala Lumpur Rome Portland Toronto Qingdao Abidjan Wuhan São Paulo Chengdu Houston Rotterdam Tshwane San Francisco

Rio de Janeiro Istanbul Bogotá Dalian Amsterdam Barcelona Delhi NCT Vancouver Mumbai Mexico City Washington, DC Berlin Dhaka (North & South) Salvador Jakarta Chennai Hong Kong Casablanca Lagos Guangzhou Dakar Sydney Durban (eThekwini) New York City Zhenjiang Amman Karachi Boston Oslo Warsaw Lisbon Shanghai Ho Chi Minh City Rio de Janeiro Istanbul Bogotá Dalian Amsterdam Barcelona Delhi NCT Vancouver Mumbai Mexico City Washington, DC Berlin Dhaka (North & South) Salvador Jakarta Chennai Hong Kong Casablanca Lagos Guangzhou Dakar Sydney Durban (eThekwini) New York City Zhenjiang Amman Karachi Boston Oslo Warsaw Lisbon Shanghai Ho Chi Minh City

Paris Miami Austin Yokohama Tokyo Los Angeles Buenos Aires Fuzhou Seattle Melbourne Milan Chicago Copenhagen Montréal Hangzhou Shenzhen Fortaleza Nanjing Dar es Salaam Curitiba Bangkok Ahmedabad Seoul Bengaluru Auckland New Orleans Quito Cape Town Philadelphia Accra Guadalajara Paris Miami Austin Yokohama Tokyo Los Angeles Buenos Aires Fuzhou Seattle Melbourne Milan Chicago Copenhagen Montréal Hangzhou Shenzhen Fortaleza Nanjing Dar es Salaam Curitiba Bangkok Ahmedabad Seoul Bengaluru Auckland New Orleans Quito Cape Town Philadelphia Accra Guadalajara