The environmental appreciation calls for broader concern to people and organizations around the world toward environmental sustainability while travelling. The contribution of this study is to review the literature of the last five years, from 2011 to 2020, from the Scopus database, which relates to the topic of ecotourism. The PRISMA statement concept is used to explain the process of selection and rejections of articles for the literature review. Finally, 47 articles are reviewed, selected, and analyzed to fill the existing theoretical gap of ecotourism. The outcomes of the literature are classified according to three main sections include the authors, variables used or tested, and the core findings. Inevitably, this literature review concludes that ecotourism leads to tourism which aims to protect the environment while progressing the economic growth without the need to scarify the nature and the habitats of flora and faunas. It is also a growing trend, which ecotourism can be widely publicist through social media forums with the key aim to preserve nature and attain environmental sustainability.
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