ENVIRONMENTAL BIOLOGY: Contents: 1. Introduction; 2. The Earth's Life-Support Systems: Four Spheres; 3. The Atmosphere; 4. The Hydrosphere; 5. The Lithosphere; 6. The Biosphere-Ecosytems; 7. Population Characteristics and Interactions; 8. Community Structure and Dynamics; 9. Environmental Challenges and Sustainable Development; 10. Environmental Pollution and Public Health; 11. Bioremediation: A Promising Biotechnology  for Pollution Cleanup; 12. Global Warming and Climate Change; 13. Natural Resources Degradation and Their Conservation; 14. Biodiversity and Wildlife (Biogeographic Regions) of India and Conservation Strategies; 15. Energy Resources Crisis and Non-Conventional Sources; 16. Environmental Monitoring, Remote Sensing and Environmental  Impact  Assessment;  17.  Environmental  Education  and  Organisations;  Glossary;  Index.

TOXICOLOGY: Contents: 1. Introduction; 2. Basic Concepts of Toxicology; 3. Toxicological Testing Methods; 4. Toxicants of Public Health Hazard; 5. Absorption, Translocation and Excretion of Chemicals (Xenobiotics); 6. Biological Magnification of Toxic Materials; 7. Biotransformation of Xenobiotics (Selective Toxicity); 8. Biomonitoring of Toxic Chemicals; 9. Environmental Legislation and Chemical Safety Evaluation; Selected Readings; Index.