Cover image for Our changing atmosphere.
Our changing atmosphere.
Title:
Our changing atmosphere.
Personal Author EPSB:
Colin, 1936- Walker
Summary:
Index.
Year Published:
1992
Series:
Science Understandings
Physical Description:
21 p. : ill.
Subject:
Atmosphere.

Air - Pollution.

Human influence on nature.

Human beings -- Influence on nature.
ISBN:
9780590741941
Publisher:
Wellington, New Zealand : Lands End Publishing, 1992.
Edmonton Public Schools