U20 Cities Mayors Summit

The Summit of Mayors is an annual U20 event dedicated to discussing the final message to the heads of the G20 (communique). U20 is an urban diplomacy initiative that brings together the major cities of the C40 and United Cities and Local Governments, which was launched in 2017 to discuss and form a common position on important urban development issues, including actions to combat climate change, social inclusion, and sustainable development and economic growth.