Synopsis The environment comprises of the living and non-living components around us, ranging from air, water, soil to plants and animals. Environmental science and management aims to study the environment and the factors affecting it and maintain the balance between nature and man for sustainable development of the human race. In view of the importance of environmental science, this subject is now a compulsory part of the syllabus in all schools, universities and other institutions. The detailed topics include concepts of ecology, threats to ecosystems, deforestation, role play in sustainable development, population characteristics, human populations, regulation of human population, different types of pollution and their control, monitoring air and water pollution, soil pollution, sustainable agriculture, various practices for sustainable farming, harmful effects of Green Revolution, organic farming, conservation tillage, urbanization, push and pull factors, environmental impact analysis, cost benefit analysis, international toxic waste trade, globalization-trade regimes, aqua culture, trade between first and third worlds, India as a mega bio-diversity rich nation, conservation of bio diversity and different aspects of environmental management. It will be useful as a text book for all students studying environmental science as a compulsory subject at different levels and also as a handy reference book for the lay man.