The earth care annual, 1991 /
edited by Russell Wild.
- Emmaus, Pa. : Rodale Press, c1991.
- xvii, 236 p. : ill.
0878579125
93012160
Environmental monitoring.
Environmental protection--Citizen participation.
Conservation of natural resources.
Pollution.
Ecology.
Environmental impact analysis.
0878579125
93012160
Environmental monitoring.
Environmental protection--Citizen participation.
Conservation of natural resources.
Pollution.
Ecology.
Environmental impact analysis.