The advances and improvements in the fields of technology and economics have not only improved the quality of human life but have also paved the way for global environmental degradation. In fact, the rapid depletion of natural resources and various environmental problems - the deterioration of air quality, global warming and climate change, contamination of water and soil, ground water depletion - are threatening the survival of life on earth. Environment and Ecology is meant for courses in environmental sciences and for professionals concerned with the environment, environmental ethics and environmental literacy. Key features: Detailed explanations of the basic concepts of environmental sciences. Modular approach to create environmental awareness. Provides basic understanding of the environment and its associated problems. Extensive use of graphs, flow charts, tables and block diagrams to aid understanding Model examination papers. Question Bank.