ENVIRONMENTAL SCIENCE is dealt effectively by citing the importance of understanding environment with case studies. Natural Resources, exploitation of resources and Pollution due to environmental degradation are illustrated comprehensively. Environment and Economics is introduced to expose students to the financial implications taking into account the international treaties on environment. The chapters are planned in a manner to cover the universities syllabus for Undergraduate programs. Every chapter has case studies to understand the practical aspect of impact of Environmental degradation. At the end of the chapter review questions are included to prepare students for the university examination.