参考范文：
As the worldwide tourism is booming uqprecedentedly. culture and environment of the historical sites are under serious threat. Therefore, the prevailing current of thought is that being a responsible tourist seems like an unlikely event，with which I side.
In some aspects, chances are that visitors are able to shoulder the responsibility of the improvement of local areas. A case in point is that tourists could be flexible and tolerant of the culture clash. In addition, their attitudes towards environmental protection will also be well shaped by their consciousness. Nevertheless, though being of integrity, tourists have little else to do in myriad other areas.
Taking the environmental elements into consideration, people find that the flooding of tourists leads to the destruction of tranquility in the tourism destinations. And for the purpose of attracting an increasing number of visitors to keep the money rolling in, businessmen are in high spirits in embanking new projects, which critically victimize both eco-system and landfonn.
The reason why being responsible tourists are impossible should also be considered from the cultural perspective. Firstly，difference on both culture and custom will trigger misunderstandings, which finally leads to conflicts. Since no matter for visitors or locals, it is not easy to adapt to something new, such as languages, foods and clothes. What is worse, the prevailing of highly commercialized tourism put many ethnical cultures on the danger list. For instance, a great number of minority fanners choose to make some streamlined and common-seen handicrafts to attract tourists rather than preserving their traditional farming culture which symbolizes the intelligence of their forefathers.
All in all, after the assessment of the impact on environment and culture, it is obvious that the likelihood of being a reponsible tourist is rather small. Sony to be dramatic, but the situation will last at least in the immediate future.