Third ed. published in 1977 under title: Ecoscience.
INTERNAL BIBLIOGRAPHIES/INDEXES NOTE
Text of Note
Includes bibliographical references and index.
CONTENTS NOTE
Text of Note
The crisis -- Numbers of people -- Population structure and projection -- The limits of the earth -- Food production -- Environmental threats to man -- Ecosystems in jeopardy -- Optimum population and human biology -- Birth control -- Family planning and population control -- Social, political, and economic changes -- The international scene -- Conclusions.