Ch 18: Energy Sources & Human Impact on the Earth

About This Chapter

Use our video lessons and quizzes to gain a deeper understanding of energy consumption and resource utilization. Learn about the types of fuels we use, how our use of them affects the planet and ways that industry is attempting to lessen its impact on the earth.

Energy Sources & Human Impact on the Earth - Chapter Summary

In this chapter, video instructors teach you about energy sources and the effect humans have in the environment, from pollution to the exploitation of natural resources. Through these video lessons, you'll learn about humankind's innovations and how they have lead to the agricultural and industrial revolutions. You will see how these advancements changed the way humans lived, and how they continue to impact the environment today. You'll also discover how industry is attempting to minimize environmental impact by using fewer natural resources. In addition, this chapter presents facts to help you understand where our resources come from and how we use them. After completing this chapter, you should be able to:

  • Recognize advantages and disadvantages of fossil fuels
  • Understand effects of industry on the environment
  • Look at goals of industrial ecology
  • Explain types of pollution
  • Define eutrophication

We use brief videos to present information on specific topics, and each lesson's summary provides a succinct, precise rundown of key terms and concepts presented. Lessons are taught by engaging instructors who really know their stuff. Along with the videos, our lessons are accompanied by short, self-assessing quizzes and complete transcripts. Navigation forward through the lesson and return for possible review are made simple with video tags.

7 Lessons in Chapter 18: Energy Sources & Human Impact on the Earth
Test your knowledge with a 30-question chapter practice test
What Are Fossil Fuels? - Definition, Advantages & Disadvantages

1. What Are Fossil Fuels? - Definition, Advantages & Disadvantages

Fossil fuels are sources of energy that have developed within the earth over millions of years. Because fossil fuels - oil, natural gas, and coal - take so long to form, they are considered nonrenewable. Learn more about these fuels, including the pros and cons of using them.

The Agricultural Revolution: Impacts on the Environment

2. The Agricultural Revolution: Impacts on the Environment

The Agricultural Revolution was a time of agricultural development that saw many inventions and advancements in farming techniques. Learn about the Agricultural Revolution and how this period impacted society and the environment.

The Industrial Revolution: Impacts on the Environment

3. The Industrial Revolution: Impacts on the Environment

The Industrial Revolution was marked by the introduction of power-driven machinery and ushered in a time of strong economic development. Learn how advancements made during the Industrial Revolution impacted the environment.

Industrial Development of Emerging Nations and the Environment

4. Industrial Development of Emerging Nations and the Environment

Industrial development has brought economic prosperity to a number of less developed countries. Learn about the environmental challenges and risks associated with these newly emerging national economies.

What Is Industrial Ecology? - Definition and Examples

5. What Is Industrial Ecology? - Definition and Examples

Industrial ecology is a young science that studies industrial systems with the goal of finding ways to lessen their environmental impact. Learn how industries are using industrial ecology to reduce the use of natural resources and generate less waste.

Pollution: Physical, Chemical & Biological

6. Pollution: Physical, Chemical & Biological

Pollution is the presence of unwanted substances in an environment. It is often the result of human interference. Learn about physical, chemical and biological pollutants and see examples of each.

Human Causes of Eutrophication

7. Human Causes of Eutrophication

Eutrophication occurs when a body of water becomes overly enriched with nutrients. While this can happen naturally, accelerated eutrophication is typically the result of human activities. Learn about the human causes of eutrophication.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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