008144170a2200205 4500 20200204062243.0 0739870114 Trapp, Clayton. Polluted air / Clayton Trapp. Chicago, Ill. : Raintree, 2004. 48 p. : col. ill. ; 26 cm. Green alert! Includes bibliographical references (p. 47) and index. Introduction -- Causes of air pollution -- Effects on plants and ecosystems -- Effects on animals and people -- Protection and conservation -- What happens next? Air Pollution Juvenile literature. Air Pollution. Pollution. Table of contents C&E OLOPSC 148.00Php 66140 66140 0 0 0 0 HSLRC HSLRC CIR 2020-02-04 148.00 0 TD 883.13 T689 2004 HS8988 2026-07-08 16:08:41 2020-02-04 BK