Description - Human Environmental Impact by Ava Sawyer
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.
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Humans and the Hydrosphere: Protecting Earth's Water Sources
