Earth in the balance : ecology and the human spirit /
Senator Al Gore.
- New York : New York : Houghton Mifflin, A Plume Book, 1992.
- xx, 407p. : ill., diagrs, graphs, maps, photo.
Bibliography:p. [386]- 393
0395578213 (pbk) 0452269350 (pbk.)
Environmental policy Environmental protection Human ecology