00586pam a2200169 a 4500020003000000040000800030082002600038100001900064245006000083260004700143300004000190520011400230650001400344650001500358650002300373700002000396  a0899085741 (alk. paper) :  cDLC00a363 GRE 1992 A078 Or.1 aAnderson, Bob,10aPollution :bexamining cause and effect relationships /  aSan Diego, CA :bGreenhaven Press,cc1992.  a36 p. :bill. (some col.) ;c29 cm.  aPresents opposing viewpoints on pollution and its effects on the atmosphere, water, and people of the planet. 0aPollution 1aPollution. 1aCritical thinking.1 aBuggey, JoAnne.