자료유형  

 단행본

International Standard Book Number  

0870449109 : \11940

Library of Congress Call Number  

GE195-.C36 1994

Dewey Decimal Classification Number  

363.7-20

Main Entry-Personal Name  

Canby, Thomas Y.

Title Statement  

Our changing Earth / by Thomas Y. Canby ; prepared by the Book Division, National Geographic Society

Publication, Distribution, etc. (Imprint  

Washington, DC : The Society, c1994

Physical Description  

199 p : col. ill ; 25cm

General Note  

Includes index.

Subject Added Entry-Topical Term  

Environmentalism

Subject Added Entry-Topical Term  

Environmental degradation Citizen participation

Subject Added Entry-Topical Term  

Nature Effect of human beings on

Subject Added Entry-Topical Term  

Conservation of natural resources

Added Entry-Corporate Name  

National Geographic Society (U.S.). Book Division

Control Number  

sacl:14365