Travellers can play their part, too, by being aware of suspicious activity and supporting companies that have taken a stand against sex tourism and child exploitation.

BBC: The darker side of tourism

In locations of atrocities around the world, tourists and tourism companies must ask themselves: when does tourism walk the line between education and exploitation?

BBC: Touring history��s dark side

Main activities include tourism based on natural and cultural heritage, agriculture and forest exploitation.

UNESCO: EDUCATION