"Examines causes, effects, and possible solutions to the problem of pollution in three basic areas: air, water, and land.  Stresses threats to health, sanity, and the very existence of mankind.  From the Urban Problems series."--Audiovisual Materials Catalog 2002-2007 by Audiovisual Services of St. Louis Public Schools.

"Examines the problems of air, water, and land pollution from the standpoint of causes, effects, and possible solutions. Streses that pollution can endanger health, sanity, and the existance of mankind.'"--WorldCat.