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Environment Science and Engineering

by Manmeet SinghManmeet Singh
Type: NoteInstitute: Tamil Nadu Agricultural University Offline Downloads: 286Views: 4085Uploaded: 9 months ago

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Manmeet Singh
Manmeet Singh
Environmental Science
Environmental Science Author TNAU, Tamil Nadu
Index LN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Lecture Name Scope and Importance of Environmental Studies Natural resources: Renewable and Non renewable resources. Land and Water Natural resources: forest, wildlife, energy and food resources Ecosystems: Definition, concept, structure and functions Producers, consumers and decomposers of an ecosystem. Energy flow in the ecosystem. Types of ecosystems Bio-diversity: Definition, classification, threats to biodiversity and its conservation Environmental pollution: Causes, effects and control of air Global warming and climate change Causes, effects and control of water and marine pollution Causes, effects and control of soil pollution Causes, effects and control of noise and thermal pollution Causes, effects and management of nuclear hazards and industrial wastes Disaster management, Floods, earthquakes, cyclones and land slides Social issues and the environment, unsustainable to sustainable development The Environment Protection Act, the Air Act, the water Act, the Wildlife Protection Act and Forest Conservation Act National and state level organizations - Environmental Laws and Acts – Environmental Education – CDM Woman and child welfare, HIV/AIDS and Role of information technology on environment and human health Page 4-14 15-23 24-40 41-49 50-57 58-68 69-81 82-102 103-130 131-140 141-146 147-163 164-177 178-182 183-190 191-200 201-209
www.AgriMoon.Com Lecture 01 Scope and Importance of Environmental Studies Environment is derived from the French word Environner, which mean encircle or surrounding. Environment is a complex of many variables, which surrounds man as well as the living organisms. Environmental studies describe the interrelationships among organisms, the environment and all the factors, which influence life on earth, including atmospheric conditions, food chains, the water cycle, etc. It is a basic science about our earth and its daily activities, and therefore, this science is important for one and all. Scope of environmental studies Environmental studies discipline has multiple and multilevel scopes. This study is important and necessary not only for children but also for everyone. The scopes are summarized as follows:           The study creates awareness among the people to know about various renewable and nonrenewable resources of the region. The endowment or potential, patterns of utilization and the balance of various resources available for future use in the state of a country are analysed in the study. It provides the knowledge about ecological systems and cause and effect relationships. It provides necessary information about biodiversity richness and the potential dangers to the species of plants, animals and microorganisms in the environment. The study enables one to understand the causes and consequences due to natural and main induced disasters (flood, earthquake, landslide, cyclones etc.,) and pollutions and measures to minimize the effects. It enables one to evaluate alternative responses to environmental issues before deciding an alternative course of action. The study enables environmentally literate citizens (by knowing the environmental acts, rights, rules, legislations, etc.) to make appropriate judgments and decisions for the protection and improvement of the earth. The study exposes the problems of over population, health, hygiene, etc. and the role of arts, science and technology in eliminating/ minimizing the evils from the society. The study tries to identify and develop appropriate and indigenous eco-friendly skills and technologies to various environmental issues. It teaches the citizens the need for sustainable utilization of resources as these resources are inherited from our ancestors to the younger generating without deteriorating their quality. The study enables theoretical knowledge into practice and the multiple uses of environment. 4

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