Cover image for Keeping the air clean.
Keeping the air clean.
Title:
Keeping the air clean.
Personal Author EPSB:
Summary:
Includes bibliographical references and index. Explains the phenomenon of air pollution and discusses the importance of preserving clean air.
Year Published:
1998
Physical Description:
48 P. [includes glossary and index]
ISBN:
9780817249366
Publisher:
Austin, TX : Raintree Steck-Vaughn, c1998.