This paper synthetically summarizes recent studies on the physical and social environmental impacts of tourism industry and its psychological responses on the residents of tourism destinations.

文章从旅游业的自然环境影响、社会环境影响以及旅游地居民的心理响应三个方面综合论述了近年旅游业环境影响研究的新成果。

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Like many people, we worry about the physical, biological, human health, environmental, social and economic impacts of fracking.

FORBES: Fracking: A Role for Universities