The environment comprises of so many organisms seen and unseen. The idea of bringing environmental science as a course moves from way back after it was recognized that man is surrounded by many species and another fact that the world is changing.

The book lays down the principles of ecology and the ecosystems. The nature of the world, the relationship between mankind and other living and non-living organisms is well explained. It was due to the fact that there is growing interest for people to read about the world and the environment that is why this book was written

It enlarges further to show you the reality of population growth, effects, and the developing world, the economic systems and the changing global problems. It gives solutions to the different kinds of problems