Sri Lanka is a tropical island that experiences beautiful environmental conditions and consists of many natural resources. Primarily Sri Lanka includes forests and biodiversity, minerals and water resources. The main objective is to provide a concise and up-to-date insight into the state of the environment and environmental challenges. Sri Lanka has suddenly acquired industrialization as a developing country, leading to increased energy consumption. When energy consumption rises, pollution to the environment also highly increases. At present, there are many environmental issues in Sri Lanka. But the most harmful and increasing problems are water pollution, air pollution and solid waste pollution. So, this article explores the environmental problems and their impacts on the people and animals and minimization of these issues in Sri Lanka.