c. In the future, I think sustainable tourism trend is happen because great demand and will continue its growth in the future since many tourists are now aware of the negative impact tourism might have on the environment, economic, and socio-cultural. Therefore, become more responsible with regard to sustainability. When it comes to sustainability, there are actually three pillars to consider are environment, economic, socio-culture. Tourism has to be sustainable in all three areas to truly be considered sustainable tourism.