This literature review summarizes two articles on tourists' perception towards environmental issue management and wildlife tourism. Article 1 evaluates the perceptions of tourists towards several environmental issues majorly found in Khao Yai National Park. The research was conducted and it was found that pollution, facilities, safety, regulation enforcement, eco-tourism activities and stakeholder’s collaboration were the major issues. Similarly, Article 2 introduces about the main objective of wildlife tourism to face the challenges and use corrective action plans to safeguard the whole environment. This can be done by implementing effective strategies and the research conducted include four prime responses i.e. sensory impressions, emotional affinity, reflective response and behavioral response. The review concludes that water and hygiene and eco-tourism actions play a major role in the issues related to environment and the national park committee faces issues because upcoming advantages from inscription as a UNESCO World Heritage Site can inspire and loom biodiversity and viable living in the compound, which at the end can create reason to withdraw its world heritage award. The article also emphasizes on the significant visions for environment tourism managers and interpreters who wish to deliver involvements for visitors that have a transformative result.