Tourism is an activity and an industry that increasingly being viewed as unsustainable for the environment. Tourists tend to litter a lot when they visit exotic destinations and locations, which in turn contributes to land and air pollution by a considerable degree. Tourist activities in developing countries in particular, also result in scarce resources like water and energy being used up in order to meet the needs and requirements of tourists, resulting in local populations losing out on the use of such resources. This report provides an overview as to why, given environmental concerns and wellbeing, tourism as an activity is not sustainable. The report concludes with some important recommendations that governments of developing countries can take into consideration to prevent tourism from having an adverse impact on the surrounding natural environment.