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

Shanghai Zhenjiang Oslo Miami Dar es Salaam Austin Wuhan Copenhagen Los Angeles Fuzhou Auckland Chicago Quito Madrid Dubai Santiago Guangzhou Istanbul Amman Montréal Durban (eThekwini) Tel Aviv – Yafo Boston Chengdu São Paulo Curitiba Lima Delhi NCT Ahmedabad Houston Quezon City Philadelphia San Francisco Shanghai Zhenjiang Oslo Miami Dar es Salaam Austin Wuhan Copenhagen Los Angeles Fuzhou Auckland Chicago Quito Madrid Dubai Santiago Guangzhou Istanbul Amman Montréal Durban (eThekwini) Tel Aviv – Yafo Boston Chengdu São Paulo Curitiba Lima Delhi NCT Ahmedabad Houston Quezon City Philadelphia San Francisco

Buenos Aires Stockholm Guadalajara Shenzhen Barcelona Toronto Kuala Lumpur Medellín Phoenix Jakarta Dhaka (North & South) Vancouver Abidjan Bangkok Ho Chi Minh City Paris Athens Fortaleza New Orleans Nanjing Johannesburg Hangzhou Ekurhuleni Rio de Janeiro Rome Hanoi Dakar Accra Salvador Beijing Yokohama Lagos Bogotá Buenos Aires Stockholm Guadalajara Shenzhen Barcelona Toronto Kuala Lumpur Medellín Phoenix Jakarta Dhaka (North & South) Vancouver Abidjan Bangkok Ho Chi Minh City Paris Athens Fortaleza New Orleans Nanjing Johannesburg Hangzhou Ekurhuleni Rio de Janeiro Rome Hanoi Dakar Accra Salvador Beijing Yokohama Lagos Bogotá

Tokyo Bengaluru London Chennai Seoul Karachi Mumbai Lisbon Heidelberg Cape Town Casablanca Portland Washington, DC Melbourne Freetown Qingdao Sydney Milan Amsterdam Seattle Mexico City Berlin Warsaw Rotterdam Nairobi Addis Ababa Hong Kong New York City Singapore Tshwane Dalian Tokyo Bengaluru London Chennai Seoul Karachi Mumbai Lisbon Heidelberg Cape Town Casablanca Portland Washington, DC Melbourne Freetown Qingdao Sydney Milan Amsterdam Seattle Mexico City Berlin Warsaw Rotterdam Nairobi Addis Ababa Hong Kong New York City Singapore Tshwane Dalian