Earth in the balance :ecology and the human spirit /Al Gore.
Gore, Al.
Earth in the balance :ecology and the human spirit /Al Gore. - New York A Plume Book 1992
0452269350
Ecology
Environmental protection
Ecology Environmental policy Environmental protection Human ecology
363.7 / Gor
Earth in the balance :ecology and the human spirit /Al Gore. - New York A Plume Book 1992
0452269350
Ecology
Environmental protection
Ecology Environmental policy Environmental protection Human ecology
363.7 / Gor