Earthwatch : earthcycles and ecosystems /

Examines how natural cycles and specific ecosystems work and suggests activities to protect the Earth from further damage by pollution and waste.

Bibliographic Details
Main Author: Savan, Beth
Other Authors: Cupples, Pat (Illustrator)
Format: Book
Language:English
Published: Reading, Mass. : Addison-Wesley Pub. Co., [1992]
Subjects:
Description
Summary:Examines how natural cycles and specific ecosystems work and suggests activities to protect the Earth from further damage by pollution and waste.
Item Description:"First published as Earthcycles and ecosystems by Kids Can Press, Ltd., of Toronto"--Title page verso.
Includes index.
Physical Description:96 pages : illustrations ; 24 cm.
ISBN:0201581485 :