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.
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).