2004.07 : Organized ¡°Junior Aviation Group¡±
2004.05 : Initiated ¡°Eco-Rainbow Membership club¡±
2002.09 : Changed it¡¯s name to ¡°Rainbow Association¡±
2000.04 : Registered as a non-profit organization with the Ministry of Environment
     
 
1999.05 : Organized Youth on-line reporters
1999.03 : Started the Eco-Rainbow Movement (Youth Education, Cultural movement)
1998.05 : Awarded a Presidential Commendation
1998.01 : Designated by the Prime Minister as a supporting research institute for the mission of
improving water quality
1997.10 : Registered with the Ministry of Maritime Affairs and Fisheries
1997.03 : Launched the Aerial Surveillance Corps.
1995.07 : Organized the Underwater Exploration Corps.
1994.12 : Registered as a video producer with the Ministry of Culture and Tourism
1993.11 : Registered with the Ministry of Environment(#41)
1993.09 : Constructed the production system of video contents
1993.09 : ¡°Korean Society of Environment and Ecosystem¡± was founded.
     
 
1981-1993.08 : Worked as a volunteer group in youth education field.