Schwartz, Linda. <br/><br/>
The big book of questions and answers :  save the earth / 
Linda Schwartz ; illustrated by T.F. Marsh, Joe Vena ; consultant : Eloisa Wolfson. 
 - Lincolnwood, IL :  Publications International,  c1992. 
 - 160 p. : col. ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--Questions and answers.