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Program – CIVIL ENGINEERING, Program Code – CE, Course- ENVIRONMENTAL STUDIES, Course Code – 22447, 08/07/2020, , MSBTE LEAD- STUDY AT YOUR DOORSTEP, , Ms. Swati Ingale, Course Expert, Lecturer, NIT Polytechnic,, Nagpur
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Unit II: Energy Resources, , CO 2: Select alternative energy, resources for Engineering Practices, UO 2a: List various natural, resources., 08/07/2020, , Written by, Mr. N. U. Sulbhewar, Course Expert, Lecturer, Government Polytechnic,, Gadchiroli, , Ms. Swati Ingale, Course Expert, Lecturer, NIT Polytechnic,, Nagpur
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What we will learn today?, Learning Objective/ Key takeaways, Students can list various natural resources., , Concept Map, Natural Resources, , Forest, Resources, , Content, 2.1 Natural Resources, 1 Forest Resources, 2 Water Resources, 3 Land Resources, 4 Mineral Resources, 5 Energy Resources, , Water, Resources, , Land, Resources, , Mineral, Resources, , Energy, Resources, , Page 3, , Maharashtra State Board of Technical Education, , 21 October 2021
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Natural Resources, , Page 4, , Maharashtra State Board of Technical Education, , 21 October 2021
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What is Resources?, Any thing, which is useful to man, or can be used to, produce a useful thing, can be referred as ‘resources’., Example: rocks, minerals, soil, rivers, plants & animal., , Natural Resources, Resources that are drawn directly from the nature and, used without modifications are called Natural, Resources., Eg.: air, water, minerals etc., , Page 5, , Maharashtra State Board of Technical Education, , 21 October 2021
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1. Forest Resources, •, , Forest is an area with a high density of, trees, together with other plants, covering, a large area of land., , •, , Forests are home to 50% to 90% of earth’s, species., , •, , These forests produces innumerable, material goods, , Page 6, , Maharashtra State Board of Technical Education, , 21 October 2021
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Functions of forest resources, , Page 7, , Productive, Functions, , • Timber, bamboos, food, essential oils, • Latex, medicines etc., , Protective, Functions, , • Conservation of soil and water, • Prevention of drought, • Protection against wind, cold, radiation, noise., , Regulative, Functions, , • Absorption, storage and release of gases,, water, mineral elements., , Maharashtra State Board of Technical Education, , 21 October 2021
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2. Water Resources, •, •, •, , Earth is known as the "Blue Planet" because 71, % of the Earth's surface is covered with water., About 97% of the earth’s water is strong saline., The rest 3% is freshwater., , •, 1., , 2., 3., •, , Fresh Water Sources, Glaciers- 70%, Underground Water- 29%, Rivers and lakes- 1%, Only 1 % is pure and usable water., , • www.google.com/url?sa=i&url=http%3A%2F%2Fwww.conservationsolutions.com, Page 8, , Maharashtra State Board of Technical Education, , 21 October 2021
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Importance of Water, • Water is an essential natural resource for sustaining, life., • Water is one of the most important substance on, earth., • If there is no water there would be no life on earth., • All plants and animals must have water to survive., • Water is a renewable but limiting resource., , Page 9, , Maharashtra State Board of Technical Education, , 21 October 2021
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Uses of water, Apart from drinking water have many applications., , Agricultural, Uses, , Page 10, , Industrial, Uses, , Maharashtra State Board of Technical Education, , Household, Uses, , Recreational, Uses, , 21 October 2021
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3. Land Resources, ►, , ►, , Page 11, , Land is among the most important, natural resources. It covers up only, 29% of the earth’s surface, Land is a naturally occurring finite, resource. It provides the base for, survival of living beings. It holds, everything that constitutes, terrestrial ecosystems., , Maharashtra State Board of Technical Education, , 21 October 2021
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Uses of Land Resources, 1. Agricultural Land: Agricultural land is typically land devoted, to agriculture., It is land capable of being ploughed and used to grow crops., , 2. Habitat for animals and plants:. Forest is a habitat for many plants, and animals because it provides a suitable environment for them., , 3. Industrial and commercial Area: Commercial area is generally, reserved for businesses like offices, retail stores, restaurants etc, , Page 12, , Maharashtra State Board of Technical Education, , 21 October 2021
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Uses of Land Resources, 4. Residential Area: Residential area means land used as a permanent, residence, such as a house, apartment, nursing home, school, child care, facility., 5. Waste Disposal Area (Landfills) : Proper solid-waste collection and, disposal is important for the protection of public health, safety, and, environmental quality., , 6. Mineral source:Mineral resources are the most important benefits, obtained from land as it accelerate Industrial and economic, development of a country, , Page 13, , Maharashtra State Board of Technical Education, , 21 October 2021
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4. Mineral Resources, ►, , ►, , Minerals are naturally occurring, inorganic,, crystalline solids, With characteristic properties., Minerals are exhaustible., , Types of Minerals, 1. Metallic minerals – e.g. Bauxite, Hematite, iron,, copper, silver, gold etc, 2. Non-metallic minerals – e.g.Coal, Limestone, Marble,, Granite, sand, stone, salt, phosphates etc, , Page 14, , Maharashtra State Board of Technical Education, , 21 October 2021
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Uses of Minerals, ►, , ►, , ►, , ►, ►, , ►, , Page 15, , Development of industrial plants and, machinery., Generation of energy e.g. coal, lignite,, uranium., Construction, housing, settlements., Defense equipment weapons, armaments., Communication- telephone wires, cables,, electronic devices., Jewellery– e.g. Gold, silver, platinum,, diamond., , Maharashtra State Board of Technical Education, , 21 October 2021
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5. Energy Resources, ►, , ►, ►, , The substances from which we produce energy are, known as energy sources., We need energy for our day to day life., The energy we use are of two broad categories:, , 1.Renewable energy, These energy sources are continuously replenished at a, constant rate., 2.Non-renewable energy, These sources of energy are known as fossil fuels and these, took millions of years to form and cannot be regenerated in a, matter of years., , Page 16, , Maharashtra State Board of Technical Education, , 21 October 2021
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Energy Resources, Renewable sources of Energy, 1. Solar power, 2. Hydro power, 3. Wind energy, 4. Tidal energy, 5. Geothermal energy, 6. Biogas, ►, , Non-renewable of Energy, 1. Coal, 2. Petroleum, 3. Natural gas, ►, , Page 17, , Maharashtra State Board of Technical Education, , 21 October 2021
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References:, 1., , 2., , 3., , 4., , 5., , Page 18, , Prof. Erach Bharucha, 2004. Textbook for Environmental Studies. University Grants, Commission, New Delhi, India., Dr. Y. K. Singh, 2006. Environmental Science. NEW AGE INTERNATIONAL (P) LIMITED,, PUBLISHERS, New Delhi, India., Dr. J. P. Sharma, 2009. Environmental Studies, 2nd Edition, Laxmi publications, New Delhi,, India., M.P. Singh, 2005, Environment and Natural Resources Hardcover, Satish Serial Publishing, House, Delhi India., R. Rajgopalan, 2011. Environmental Studies: From crisis to cure, Oxford University Press,, New Delhi, India., , Maharashtra State Board of Technical Education, , 21 October 2021
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Natural Resources, , The knowledge of Natural resources is, very essential to understand the its, applications, Global need, and future, demands, , Page 19, , Maharashtra State Board of Technical Education, , Once you understand the importance of, natural resources,, you will understand the need of its, conservation, 21 October 2021
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Summary, We have studied :, Types of Natural Resources, 1. Forest Resources, 2. Water Resources, 3. Land Resources, 4. Mineral Resources, 5. Energy Resources, , Page 20, , Maharashtra State Board of Technical Education, , 21 October 2021
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THANK YOU ALL, Section divider over two lines or three, lines, , HAVE A NICE DAY, , Now let’s have a Quiz....., Page 21, , Maharashtra State Board of Technical Education, , 21 October 2021
