Conservation of nature.
Series: International library
Publisher: Collins; McGraw-Hill
Published: 1970
Place of publication: London; New York
Language: eng
Number of pages: 128
Subjects: Conservation of natural resources -- Juvenile literature.; Conservation of natural resources.
Description: Describes how man through farming, industry, clearance of forests, and population growth began to change the earth and bring about critical shortages of natural resources.
Notes: Bibliography: p. 126.