A global network of mayors taking urgent action to confront the climate crisis and create a future where everyone can thrive.

San Francisco Hanoi Singapore Buenos Aires Quezon City Barcelona Los Angeles Dubai Nanjing Ekurhuleni Houston Shanghai Toronto Warsaw Montréal Medellín Ho Chi Minh City Chennai Shenzhen Mumbai Sydney Madrid Bangkok Mexico City Hangzhou Freetown Lagos Dar es Salaam Addis Ababa Kolkata Moscow Karachi Accra San Francisco Hanoi Singapore Buenos Aires Quezon City Barcelona Los Angeles Dubai Nanjing Ekurhuleni Houston Shanghai Toronto Warsaw Montréal Medellín Ho Chi Minh City Chennai Shenzhen Mumbai Sydney Madrid Bangkok Mexico City Hangzhou Freetown Lagos Dar es Salaam Addis Ababa Kolkata Moscow Karachi Accra

Copenhagen Istanbul Dalian Qingdao Tshwane Guangzhou Chicago Salvador Nairobi Johannesburg Stockholm Rotterdam Beijing Washington, DC Tel Aviv – Yafo Austin Auckland Athens São Paulo Phoenix London Lima Delhi NCT Amman Portland Lisbon Santiago Berlin Cape Town Jakarta Zhenjiang Dhaka (North & South) Yokohama Copenhagen Istanbul Dalian Qingdao Tshwane Guangzhou Chicago Salvador Nairobi Johannesburg Stockholm Rotterdam Beijing Washington, DC Tel Aviv – Yafo Austin Auckland Athens São Paulo Phoenix London Lima Delhi NCT Amman Portland Lisbon Santiago Berlin Cape Town Jakarta Zhenjiang Dhaka (North & South) Yokohama

Wuhan Hong Kong Bogotá Seattle Venice Abidjan Miami New York City Chengdu Vancouver Durban (eThekwini) Boston Milan Tokyo Kuala Lumpur Oslo New Orleans Guadalajara Rio de Janeiro Fuzhou Seoul Rome Philadelphia Melbourne Quito Bengaluru Paris Heidelberg Curitiba Amsterdam Dakar Wuhan Hong Kong Bogotá Seattle Venice Abidjan Miami New York City Chengdu Vancouver Durban (eThekwini) Boston Milan Tokyo Kuala Lumpur Oslo New Orleans Guadalajara Rio de Janeiro Fuzhou Seoul Rome Philadelphia Melbourne Quito Bengaluru Paris Heidelberg Curitiba Amsterdam Dakar