Owen, Oliver S
NATURAL RESOURCE CONSERVATION AN ECOLOGICAL APPROACH - 3 ed - New York, London Macmillan Publishing Collier Publishers 1980 - Pag ; 883 ; figuras
To waste, to destroy, our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by ringh to hand down to them amplified and developed.
CONSERVACION DE LOS RECURSOS
ECOLOGIA
PROTECCION AMBIENTAL
CONTAMINACION DEL AIRE
CONTAMINACION POR RUIDO
CONTAMINACION DEL AGUA
NATURAL RESOURCE CONSERVATION AN ECOLOGICAL APPROACH - 3 ed - New York, London Macmillan Publishing Collier Publishers 1980 - Pag ; 883 ; figuras
To waste, to destroy, our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by ringh to hand down to them amplified and developed.
CONSERVACION DE LOS RECURSOS
ECOLOGIA
PROTECCION AMBIENTAL
CONTAMINACION DEL AIRE
CONTAMINACION POR RUIDO
CONTAMINACION DEL AGUA
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