State of the World 1991 : a Worldwatch Institute report on progre ss toward a sustainable society /
State of the World 1991 : a Worldwatch Institute report on progre ss toward a sustainable society /
Lester R. Brown ... [et al.]
- New York : W. W. Norton & Co. , 1991.
- xvii, 254 p. : ill. ; 23 cm.
Includes index.
0393307336
Environmental protection -- 1991.
Environmental impact analysis -- 1991.
330.9
Includes index.
0393307336
Environmental protection -- 1991.
Environmental impact analysis -- 1991.
330.9