As we live and breathe
Subtitle: the challenge of our environment.
By: Foreword by Gilbert M. Grosvenor. Prepared by the Special Publications Division, National Geographic Society.
Contributors: National Geographic Society (U.S.). Special Publications Division.
Publisher: [National Geographic Society
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 239
Subjects: Human ecology; Nature -- Effect of human beings on
Notes: A collection of essays by various authors.