Examines the causes and environmental impact of droughts, what people can do about droughts, and the role of math skills to analyse the problem.
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ISBN: 9781610803229 (lib. bdg.)
Physical Description:32 p. : col. ill. ; 25 cm.print
Publisher:Ann Arbor, Mich. : Cherry Lake, 2012.
Bibliography, etc. Note: Includes bibliographical references (p. 31) and index.
Formatted Contents Note: What is a drought? -- Why do droughts happen? -- Do the math: droughts around the world -- Do the math: how does drought affect us? -- Protecting the Earth's water supply.