Human Environmental Impact: How We Affect Earth

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.

• Language: English
• Publisher: Capstone Young Readers
• Release date: May 1, 2019
• ISBN: 9781496640819

Book preview

Humans and Our Planet: Human Environmental Impact by Ava Sawyer

TABLE OF CONTENTS

Cover

Title Page

Chapter 1: Have Humans Impacted Earth?

Chapter 2: Human Impacts

Chapter 3: Nonrenewable Resources

Chapter 4: Alternative Energy Sources

Chapter 5: How can Humans Help?

Timeline

Glossary

Read More

Critical Thinking Questions

Index

Copyright

Back Cover

CHAPTER 1

HAVE HUMANS IMPACTED EARTH?

Ever since humans developed agriculture and built cities, they have impacted Earth in some way. It’s estimated that 80 percent of Earth’s land surface has been affected by human activities. Not only have people impacted Earth’s land, but they have also impacted its atmosphere, biosphere, and hydrosphere.

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The development and expansion of cities has displaced animals and eliminated their habitats.

Some human activities have been positive for the environment. However, many results from human activities have been negative. Humans heavily rely on natural resources. They plow up natural vegetation and chop down forests. They send pollution into the air and dump chemicals into water resources. People may not realize how their actions can