According to the United Nations, the five basic principals required for ecotourism and sustainable travel are:
It is motivated toward "the observation and appreciation of nature as well as the traditional cultures prevailing in natural areas"
It contains "educational and interpretation features"
It is organized "for small groups by specialized and small, locally owned businesses"
It minimizes negative impacts "upon the natural and socio-cultural environment"
It supports the protection of natural areas by 1) generating income for host communities; 2) providing alternative employment and income opportunities;3) increases awareness of the need for conservation of natural and cultural assets.