It is possible that travel and tourism industry is the most important
industry in the world. During the twentieth century there were many
studies conducted round the world to evaluate the economical effect of
tourism within regions, in lieu of studying of social effect and its environmental influence. The environment plays an essential role for
tourism development. From the economical viewpoint, those are the
measures that help improving the environment as whole and guarantees
that tourism brings environment to the optimum harmony. However it is
undeniable that all the tourism industry sectors increasingly respond to
eco-tourism problems, or environment-friendly tourism, which can be
sustained while the number of tourists continues to increase.
Indisputably, tourism and environment constantly interact. Tourism
influences environment and environment quality influences tourism