The majority of the respondents (70%) is ethical and environmental factors will influence the decision to attend. So something or someone support the event by people money etc. for can make the event to be success. In addition, a research on Association Meetings: Forecasts and Trends 2010 by IMEX and ICCA during October 2009 also reported that a majority of respondents (52%) undertake socially-responsible activity in the host community.