An overview of the environmental problems of land, atmosphere, water, energy, plants, animals, and people. Includes projects and a section on becoming an environmental activist.
- ISBN10 067981731X
- ISBN13 9780679817314
- Publish Date 3 April 1991 (first published 12 February 1974)
- Publish Status Active
- Out of Print 10 December 2011
- Publish Country US
- Imprint Alfred A. Knopf
- Edition Rev ed.
- Format Paperback
- Language English