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Ch 27: Environmental Health: Issues and Human Concerns

About This Chapter

Watch online video lessons and learn about the different aspects of environmental issues and how they affect human health. Take the quizzes that follow each lesson to test your knowledge of these issues and concerns.

Environmental Health: Issues and Human Concerns - Chapter Summary and Learning Objectives

Many man-made factors in our environment, such as air and water pollution, greenhouse gases and hazardous waste, have created serious threats to human health over the years. The lessons in this chapter look at these environmental problems, their impact and what can be done to rectify these conditions. By the end of this chapter, you'll have an understanding of:

  • Types and causes of pollution
  • Greenhouse gases and the greenhouse effect
  • Types of hazardous waste
  • How we can reduce solid waste
  • Water conservation methods
  • Future environmental issues

Video Objective
Pollution: Physical, Chemical and Biological In this lesson, we'll learn the characteristics of various types of pollution.
What is Air Pollution? - Definition, Sources and Types We'll look at air pollution and learn about primary and secondary pollutants. The lesson also covers the major classes of air pollutants and their characteristics.
Greenhouse Gases and the Enhanced Greenhouse Effect You'll learn about the five major greenhouse gases and examine the enhanced greenhouse effect.
The Ozone Layer: Importance and the Harmful Effects of Thinning In this lesson, we'll discuss the importance of the stratospheric ozone layer and look at why the ozone layer is being diminished and at the consequences.
Types of Solid Waste: Municipal vs. Non-Municipal You'll learn to distinguish between the types of solid waste.
What is Hazardous Waste? Definition and Types Here, we'll see what constitutes hazardous waste and learn about dioxins and PCBs.
The 3Rs of Reducing Solid Waste: Reuse, Reduce and Recycle This lesson goes over methods of reducing solid waste.
Water Conservation: How Water Management Can Lead to Sustainable Use In this lesson, we'll learn about sustainable water use and think about examples, including personal use, in industry and in agriculture.
Water Pollution: Definition, Types and Sources You'll learn about various types of water pollution, including a look at groundwater and surface water pollution.
Water Treatment: Improving Water Quality We'll look at methods of drinking water purification in the United States and in other countries. The lesson also examines various wastewater treatment techniques.
Future Environmental Concerns: Population, Food Supply, Energy and Pollution In this lesson, we'll look at potential environmental issues in the coming years.

11 Lessons in Chapter 27: Environmental Health: Issues and Human Concerns
Test your knowledge with a 30-question chapter practice test
Pollution: Physical, Chemical & Biological

1. 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.

What Is Air Pollution? - Definition, Sources & Types

2. What Is Air Pollution? - Definition, Sources & Types

In this video lesson, you will learn about the sources and types of air pollution. You will be able to identify the six classes of air pollutants identified by the Environmental Protection Agency and the Clean Air Act of 1970.

Greenhouse Gases and the Enhanced Greenhouse Effect

3. Greenhouse Gases and the Enhanced Greenhouse Effect

In this video lesson, you will learn about the five main greenhouse gases and how their unnaturally high concentrations are leading to the enhanced greenhouse effect and global climate change on Earth.

The Ozone Layer: Importance and the Harmful Effects of Thinning

4. The Ozone Layer: Importance and the Harmful Effects of Thinning

In this lesson, you will learn the importance of the ozone layer and how it is depleted. You will also study the research and policy that has been instrumental in its recovery.

Types of Solid Waste: Municipal Vs. Non-Municipal

5. Types of Solid Waste: Municipal Vs. Non-Municipal

Waste comes in many different forms. This lesson explores municipal and non-municipal waste, the two main types of solid waste. We'll also delve into who creates waste and the amount of waste disposed of each year.

What Is Hazardous Waste? - Definition and Types

6. What Is Hazardous Waste? - Definition and Types

Not all waste is something to throw in the trash and forget about. In this lesson, we will explore hazardous waste and what makes it dangerous. We will also investigate disposal methods and types of hazardous waste.

The 3 Rs of Reducing Solid Waste: Reuse, Reduce & Recycle

7. The 3 Rs of Reducing Solid Waste: Reuse, Reduce & Recycle

Reduce, reuse, recycle! In this lesson, we will explore the three Rs of reducing solid waste. We will also investigate examples of each of the three Rs, and how people can do their part to help reduce solid waste.

Water Conservation: How Water Management Can Lead to Sustainable Use

8. Water Conservation: How Water Management Can Lead to Sustainable Use

In this video lesson you will learn about the importance of water conservation. You will also learn about the two ways freshwater is used, and how proper water use can lead to sustainability in agriculture, homes, and manufacturing.

Water Pollution: Definition, Types, and Sources

9. Water Pollution: Definition, Types, and Sources

In this lesson, you will learn about the different types and sources of water pollution. You will gain an understanding of both surface water and groundwater pollution and the similarities and differences between them.

Water Treatment: Improving Water Quality

10. Water Treatment: Improving Water Quality

In this lesson, you will learn how water is purified for drinking, and how wastewater is treated before being put back into the environment. You will also learn about water purification issues in developing countries.

Future Environmental Concerns: Population, Food Supply, Energy & Pollution

11. Future Environmental Concerns: Population, Food Supply, Energy & Pollution

There are many issues that raise future environmental concerns. Learn how the environment may be impacted by the growing population and food and energy needs of the world, as well as growing pollution concerns as we move through the 21st century.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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