Environment influence and shaped our life. It is from the environment that we get food to eat, water to drink, air to breathe and all necessities of day to day life are available from our environment. Thus it is the life support system. Hence the scope and importance of the environment can be well understood. The tremendous increase in industrial activity during the last few decades and the release of obnoxious industrial wastes in to the environment, have been considerable concern in recent years from the point of view of the environmental pollution.Many countries are facing the problems of environmental pollutions. Without sustainable environment and natural resources, one cannot survive. Therefore, environmental aspect should be in mind while planning for industries, township and other research institutions/health centres. The present book provides readers with an up-to-date, introductory view of essential themes in environmental science. It is intended for use in courses in environmental science, human ecology, or environmental studies the college level.