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

Auckland Karachi Rio de Janeiro Paris Ho Chi Minh City Rotterdam Tel Aviv – Yafo Chennai Copenhagen Buenos Aires Qingdao Boston Bangkok Vancouver Freetown Amsterdam Miami Austin Stockholm Mexico City Kuala Lumpur Jakarta Phoenix Toronto Houston Hanoi Chicago Nanjing Bengaluru Oslo Washington, DC Amman Auckland Karachi Rio de Janeiro Paris Ho Chi Minh City Rotterdam Tel Aviv – Yafo Chennai Copenhagen Buenos Aires Qingdao Boston Bangkok Vancouver Freetown Amsterdam Miami Austin Stockholm Mexico City Kuala Lumpur Jakarta Phoenix Toronto Houston Hanoi Chicago Nanjing Bengaluru Oslo Washington, DC Amman

Wuhan Shanghai Dubai Singapore Lagos São Paulo Medellín Addis Ababa Kolkata Yokohama Fuzhou Montréal Cape Town Lima Abidjan Seattle Madrid Tokyo Berlin Portland Athens Santiago Curitiba Philadelphia San Francisco Melbourne Guadalajara Dhaka (North & South) London Hangzhou Milan Lisbon Wuhan Shanghai Dubai Singapore Lagos São Paulo Medellín Addis Ababa Kolkata Yokohama Fuzhou Montréal Cape Town Lima Abidjan Seattle Madrid Tokyo Berlin Portland Athens Santiago Curitiba Philadelphia San Francisco Melbourne Guadalajara Dhaka (North & South) London Hangzhou Milan Lisbon

Sydney Quezon City Quito New Orleans Ekurhuleni Chengdu Nairobi Ahmedabad Shenzhen Tshwane Mumbai Istanbul Dalian Zhenjiang Barcelona Salvador Johannesburg Delhi NCT Hong Kong Dar es Salaam Warsaw Los Angeles Beijing Guangzhou Dakar Accra Durban (eThekwini) Seoul Bogotá Heidelberg Rome New York City Sydney Quezon City Quito New Orleans Ekurhuleni Chengdu Nairobi Ahmedabad Shenzhen Tshwane Mumbai Istanbul Dalian Zhenjiang Barcelona Salvador Johannesburg Delhi NCT Hong Kong Dar es Salaam Warsaw Los Angeles Beijing Guangzhou Dakar Accra Durban (eThekwini) Seoul Bogotá Heidelberg Rome New York City