Environmental History: A Global Perspective Deterioration of mountain environment is obviously not the only problem that humans are dealing with in terms of pollution to the ecosystem. However, it is an ever increasing problem, that is ruining vegetation, landscape and even mountain culture. The book I have chosen to review is titled; Impact of Tourism on Mountain Environment. It is not a story but rather a compilation of articles relating to the problems in the Himilayas, specifically the Everest region. There were many articles, not all of them were related to Everest, therefore, not all of the articles were reviewed. Although there are many mountain en