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Awareness in the field of environmental sciences is becoming a global talk. People worldwide are realizing its importance as they are able to smell a polluted tomorrow. Careful handling of today’s environment would only serve as a legacy for tomorrow’s generation. Hence, we need to be judicious in exploiting our resources optimally. To ensure a sustainable development we need to know something about how our environment works. Environment can be defined as the set of conditions that surround an organism or the complex of socio cultural condition that affect an individual. Environmental science is the systematic, scientific study of the environment in combination with living organisms.

Most of the universities have introduced this new content as course of Environmental Science or Environmental Studies/Environmental Biology in B.Tech., B.SC., BBA, BCA, B.Com., BA, BHMCT and B.Ed. Courses . The present book has been written by including some content of print and non-print media. Now this book is especially for modified course of all Indian Universities/Training Institute and Education Colleges recognized by National Council of Teacher Education, New Delhi.

Contents: 1. Introduction to planet earth. 2. Species, population and community concepts. 3. Biosphere and ecosystem concepts. 4. Agro-ecosystem or agricultural ecosystem (man-made ecosystem). 5. Habitat and niche concepts. 6. Natural resources and the environment. 7. Environmental pollution. 8. Future energy sources. 9. Population explosion.