Environment conservation  [computer file] / 
Yorkshire International Thomson Multimedia 
 - England :  Yorkshire International Thomson Multimedia,  2000 
 - 1 computer laser optical disc (CD-ROM) :  sd., col.;  12 cm +  1 user's guide 
<br/><br/><br/>System requirements : 486 based IBM PC compatible computer (386 minimum) ; 4 MB RAM ; SVGA graphics (256 colours) ; MS-DOS 5.0 or above ; Microsoft Windows 3.1 ; CD-ROM drive (double speed) 
<br/><br/><label>ISBN: </label> RM236.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--United States<br/>Natural resources--United States