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Environmental Studies by Garikapati Rambabu

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Note for Environmental Studies - ES by GARIKAPATI RAMBABU

Note for Environmental Studies - ES

by Garikapati Rambabu

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Garikapati Rambabu

Civil Engineering at JNTUK KAKINADA

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ENERGY RESOURCES Energy is a primary input for almost all economic activities and is therefore vital for improvement in quality of life. It is used in sectors such as industry, commerce, transport, telecommunication, wide range of agriculture and household services. 80 % of worlds energy is met by fossilfuels. Sources of energy The share of commercial and non commercial resource in our country in 1980 was 1:1. In the year 2004-2005 it was 4:1 due to increase urban growthand demand and supply gap in commercial. A) Non commercial energy sources 70 % of the population live in rural areas and consume 40 % of the total energy. 78 % of the rural energy needs are met by non commercial sources. a) Natural fuels – fuel wood and crop residues are used in rural areas for meeting their energy. Forests are being degraded to meet the fuel needs. Massive afforestation need to be done to meet the requirement of rural preople. Improved chullas, bio gas plants and solar cookers to be provided and encouraged by giving subsidies. b) Animal energy B) Commercial energy resources a) Conventional b) B) Non conventional Sustainable energy resources Effect of energy generation on environment