Akdemir Yılmaz, Kadriye
Currently, one of the most important factors influencing the future of the world is tourism, due to its negative effects on the natural environment and consumption of natural resources. The tourism sector, which offers its guests natural and cultural beauties in the region where it is located, will not be able to survive if the potential danger to natural environment and resources is not halted. In other words, sustainable tourism is entirely dependent on the sustainability of the environment and resources. The Turkish Ministry for Culture and Tourism has awarded the Environmental Friendly Establishment Certificate for promoting and encouraging positive contributions of touristic facilities to the environment, since 1993. However, this research shows that the contribution of investments in the Green Star Certificate System to the success of 'greening' the hotels is insufficient. Although there are many types of research focusing on Green Star Certified Hotels in terms of tourism; there is not enough focus on the evaluation of the hotel buildings and the alternative accommodation options in Turkey. This study primarily aims to investigate the Green Star Certification System by determining the success of adopting sustainability principles; through a preferability survey based on guests' feedback. The second aim, in view of the transformation in accommodation options, is to determine whether there is a relationship between sustainability measures in hotels, preferability according to guests ratings, and the lifecycle assessment impact. According to the first aim of the study; both qualitative and quantitative data of Environmentally Sensitive Green Star certified hotels is analyzed via statistical t-tests. The results show that Environmentally Sensitive Green Star Certified Hotels are more successful in terms of guests' satisfaction. However the distribution of the Green Star certified hotels are almost zero value for the three and lower star rating hotels. The statistical results also can encourage these lower class hotel owners. In line with the second aim of the study; the case study building consisting of residential units, serviced apartments, and guest rooms in the same hotel is selected from Istanbul. The comparison of three accommodation options are done both for the zones and per guests. The LCA results are obtained by assessment with Athena Impact Estimator for Buildings 5.4 software. According to the results; it can be said the product, construction and end of life stage enviromental impacts of the each zones increase respecively hotel rooms, service apartments and residential units. The LCA results show that the alternative accomodation options` design and material selections need improvements comparing with hotels` guest rooms.


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