Pollution
Subtitle: problems & solutions
By: [Judy Braus, editor]
Contributors: Braus, Judy; National Wildlife Federation
Series: Ranger Rick's naturescope -- vol. 4, no. 5; Kraus curriculum development library -- ENV K-032; Ranger Rick's naturescope -- vol. 4, no. 5
Publisher: National Wildlife Federation
Published: 1990
Place of publication: Washington, D.C
Language: eng
Format: Microform
Number of pages: 84
Subjects: Pollution -- Study and teaching (Elementary); Air -- Pollution -- Study and teaching (Elementary); Water -- Pollution -- Study and teaching (Elementary)
Other titles: NatureScope pollution; Pollution, problems and solutions
Notes: Cover title

Grades K-8

Includes bibliographical references (p. 84)

Microfiche. Millwood, N.Y. : Kraus International Publications, 1992. 1 microfiche. (Kraus curriculum development library ; ENV K-032)