Desonie, Dana. <br/><br/>
Hydrosphere  freshwater systems and pollution /  [electronic resource] : 
Dana Desonie. 
 - New York :  Chelsea House,  c2008. 
 - 1 online resource (194 p.) :  ill. (chiefly col.) 
 - Our fragile planet .
 - Desonie, Dana.  Our fragile planet. .
<br/><br/> Description based on print version record. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>The water cycle -- Surface waters -- Surface water resources -- Groundwater and its use -- Where water pollutants come from and where they go -- Possible health effects of toxic chemicals -- Toxic organic pollutants -- Toxic inorganic pollutants -- Biological pollutants -- Cleaning point source pollution -- Modern water cleanup issues -- The history of water pollution in the Great Lakes -- Conclusion -- Glossary. 
<br/><br/><label>ISBN: </label>9781438105673 (electronic bk.) 1438105673 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Environmental aspects--Juvenile literature.<br/>Water--Pollution--Health aspects--Juvenile literature.<br/>Fresh water--Juvenile literature.<br/>Water--Purification--Juvenile literature.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.<br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QH545.W3  / D47 2008eb 
<br/><br/><label>Dewey Class. No.: </label>551.48