Korean local governments and civil society have been cooperatively implementing local agenda 21 since the adoption of Agenda 21 in 1992. There have been needs of collecting all the efforts for sustainable development taking place locally and sharing the experiences. This is how the festival has been initiated in 1999 at its first event in Jeju. Since 2019 ICLEI Korea Office and Local Sustainability Alliance of Korea (LSAK) co-host the festival and closely cooperating in designing the national and local festivals in the global context. The festival is the unique and the biggest affair where national-regional-local governments and all the civic groups working in line with sustainable development gathers in the festival and share their voices and experience.