Includes bibliographical references (page 31) and index.
Contents
Have humans impacted Earth? -- Human impacts -- Nonrenewable resources -- Alternative energy resources -- How can humans help?
Audience
Ages 8-10.
Grades 4 to 6.
Summary
Pollution and mining for resources have negatively impacted Earth. Nonrenewable resources will someday run out. Then what? In this title readers will learn about alternative energy sources such as solar, wind, and geothermal energy, and what they can do to positively affect Earth. Meets Next Generation Science Standards.
