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Our World: POLLUTION AND CONSERVATION
Malcolm Penny
Hardcover (WAYLAND, March 15, 1988)None
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Investigating Pollution and Conservation
John Corn
Paperback (Hodder & Stoughton General Division, Jan. 1, 1985)None
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Pollution and Conservation
Malcolm Penny
Library Binding (Silver Burdett Pr, Oct. 1, 1989)Describes the various kinds of pollution and what is being done to protect the natural environment.
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Pollution and Conservation: Intermediate Level
Rebecca Hunter
Paperback (Heinemann Educational Publishers, July 19, 2005)None
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Conservation and pollution
Laurence Santrey
Paperback (Troll Associates, March 15, 1985)Explains how the growth of industry in modern times has brought about the pollution of air, water, and land, as well as the depletion of natural resources, and emphasizes the importance of conservation.
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Conservation and pollution
Olive Jackson
Paperback (Batsford, March 15, 1971)None