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The Greenhouse Effect
References Gille, J. (1988). Greenhouse effect. World Book Encyclopedia. Chicago, IL: Scott Fetzer company. Gorder, C. (1991). Green Earth Resource Guide. Tempe, AZ: Blue Bird Publishing. Gore, A. (1992). Earth in the Balance. Boston, MA: Houghton Mifflin Company. Hammond, Scully, Mast, & Powell. (1991). Environmental Almanac. Boston, MA: Houghton Mifflin Company. Johnson, G. (1990). Environmental Tips on how you can save this planet. Calgary, Alberta: Detselig Enterprises. Kralijic, M. (1992). The Greenhouse Effect. New York, NY: The H.W. Wilson Company.