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Environment Notes UPSC IAS Civil Services Exam | PMF IAS
Environmental Education PDF Download-Hello friends welcome to blogger.com we are going to share a pdf file on the topic Environmental blogger.comnmental Education PDF Download -INTRODUCTION ENVIRONMENTAL EDUCATION. Environmental education is a process that allows individuals to explore environmental issues, engage in problem solving, and take action to improve . Aug 23, · Free Download Environmental Science pdf in hindi Sam Samayik Ghatna Chakra pdf from sarkari naukri blogger.com more upsc study material join whats app and facebook page. Sep 06, · UPSC Civil Services Mains syllabus actually has less topics on Environment. One should not study a whole book on environment for Mains (I recently mentioned a book on Facebook, but that is for Prelims).Fortunately, topics are clearly mentioned in the syllabus.. They are.
Environmental science for upsc pdf free download
Theory of Environmental Pollution is one among them. In this article, we have thoroughly discussed the types, causes and impacts of different pollutions affecting humankind. Kidney problems, irritation in eyes, nose and throat, asthma, hypertension and carcinogenic effects on lungs. The improvement of nutrients in water bodies causes eutrophication. Domestic waste discharge, agricultural waste, land drainage and industrial waste in a water body leads to a rapid increase in nutrients in a water body which initiates early ageing of water bodies.
Environment Pollution Part2. Daily Practice Quizzes, Attempt Here. Environment Pollution is the addition of contaminants into the natural environment that causes detrimental effects to nature, natural resources and mankind. Any unnatural and negative changes in all the dimensions like chemical, physical and biological characteristics of any component of the ecosystem i.
What is a Pollutant? Any substance which causes harmful effects or uneasiness in the organisms, then environmental science for upsc pdf free download particular substance may be called as the pollutant, environmental science for upsc pdf free download. The materials that cause pollution are of two types: Persistent pollutants: Those pollutants which remain consistent in the environment for a long period of time without any change in its original form are called persistent pollutants.
For example pesticides, nuclear wastes, and plastics etc. DDT, Plastic Secondary Pollutants : Secondary pollutants are formed due to interaction of primary pollutants amongst themselves viz.
Fungicides, herbicides etc. It is the contaminants of air by the discharge of detrimental substances. Some of the air pollutants, their sources, and effects: Name of the pollutants Sources Health effects Nitrogen oxides Industries, vehicles and power plants Problems in the lungs, respiratory systems and causes asthma and bronchitis, environmental science for upsc pdf free download.
Carbon monoxide Emission and burning of fossil fuels Severe headache, irritation to mucous membrane, unconsciousness and death. Carbon dioxide Burning of fossil fuels Vision problem, severe headache and heart strain.
Suspended particulate matter Vehicular emission and burning of fossil fuels. Lung irritation reduces development of RBC and pulmonary malfunctioning. Sulphur oxide Industries and power plant Irritation in eyes and throat, allergies, cough etc. Smog Industries and vehicular pollution Respiratory and eye problems Hydrocarbons Burning of fossil fuels Kidney problems, irritation in eyes, nose and throat, asthma, hypertension and carcinogenic effects on lungs.
Control measures: Policy measures Modification of industrial process and selection of suitable fuels and its utilization. Collection of pollutants and convert it into less toxic forms by different methods.
Water pollution is not only confined to surface environmental science for upsc pdf free download but also spread to groundwater, sea, and ocean. Some of the sources are: Industrial and community wastewater: Industries like mining, iron and steel, pharmaceuticals, food processing, soap and detergent and paper and pulp.
Agricultural sources, thermal pollution discharge of hot water by thermal power plants cause deficiency environmental science for upsc pdf free download dissolved oxygen in water and underground water pollution. Marine pollution: river discharge, manmade pollution and oil spills etc. Effects An excessive amount of mercury in water can cause Minamata disease in humans and dropsy in fishes; Lead in large amount can cause dyslexia, Cadmium poisoning causes Itai — Itai disease, etc.
Polluted water has less amount of Dissolved oxygen DO content which is important for sensitive organisms, thereby eliminates sensitive organisms. Excess of nitrate in drinking water is dangerous for infants and human health, excess fluoride cause neuromuscular disorder and teeth deformity, hardening of bones and painful joints.
Biological magnification and eutrophication. Control measures Usage of water should be minimized by changing the techniques involved. Recycling and treatment of water should be used to the maximum extent possible. The quantity of environmental science for upsc pdf free download of wastewater can be minimized. Excessive use of pesticides and fertilizers should be avoided.
Organic farming and efficient use of animal residues as fertilizers. The factors which disturb the biological balance of the soil and deteriorate the quality, texture, and mineral content are called soil pollutants. Use of fertilizers, pesticides, insecticides, dumping of solid waste, deforestation, and pollution due to urbanization and other anthropogenic substances causes soil pollution. Sources Industrial waste: lead, cadmium, environmental science for upsc pdf free download, mercury, alkalies, organic substances, and chemicals.
Agricultural waste: fertilizers, pesticides, insecticides, and manures. Discarded materials and radioactive elements and plastic bags. Effects Agriculture: It reduces soil fertility and thus crop yields; increase soil erosion and salinity.
Ecological imbalance and imbalance in flora and fauna further increases. Problems in urban areas like clogging in drains, the release of gases, foul smells, and problems in wastewater management.
Release of radioactive rays, biomagnification and pollutant gases cause health problems. Control measures Afforestation, reforestation and use of organic farming. Solid waste management and reduction of waste from the construction area. Stop the use of plastic bags and use bags of degradable materials like paper and cloth.
Biomedical waste should be collected and incinerated in incinerators. Score Better. Go Gradeup. Member since Jun Related Posts.
Environment and Ecology Complete course summary revision lecture environmental science pdf mcq #5
, time: 32:39Environmental science for upsc pdf free download
(Download) NIOS PDF: Environment-Class Download Free PDF Online Coaching for UPSC PRE Exam General Studies Pre. Cum Mains Study Materials. Environmental Science Notes PDF in Hindi Free Download AM DOWNLOAD, G.S. study notes Hello Friends, इस पोस्ट में Environmental Science Notes pdf को शेयर कर रहे है जो विभिन्न competitive exam में महत्वपूर्ण भूमिका निभाता. For answers to the above questions and more UPSC MCQ on Environment and Ecology for IAS prelims, you can download the UPSC MCQ – Env and Eco pdf. Check our Target UPSC Prelims page to find all the UPSC MCQs, IAS study material and information for easy reference.
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