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Conservation of natural resources
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The branch of science concerned with the interrelationship of organisms and their ENVIRONMENT, especially as manifested by natural cycles and rhythms, community development and structure, interactions between different kinds of organisms, geographic distributions, and population alterations. (Webster's, 3d ed)
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Here are entered general works on the conservation of all forms of energy. Works on the conservation of energy as a physical concept are entered under Force and energy --subdivision Energy conservation under types of industries, facilities, etc., e.g. Construction industry--Energy conservation
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Materials or substances such as land, timber, fresh water, fossil fuels, or mineral deposits that occur in a natural state and have economic value or usefulness to humans
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Here are entered works on the processing of waste paper, cans, bottles, etc. Works on reclaiming and reusing equipment, parts, structures, etc. are entered under Salvage (Waste, etc.) --subdivision Recycling under individual chemicals and groups of chemicals and individual materials and types of materials, e.g. Copper--Recycling; Metals--Recycling
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--subdivision Waste minimization under types of industries, industrial processes, facilities, and institutions, e.g. Construction industry--Waste minimization; Metals--Finishing--Waste minimization; Universities and colleges--Waste minimization
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Here are entered works on the protection of wildlife, as a matter of public policy. Works on methods of bringing wildlife populations to desired levels are entered under Wildlife management --subdivision Conservation under individual animals and groups of animals, e.g. Fishes--Conservation
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