About This Chapter
People & the Environment - Chapter Summary
This chapter is designed to refresh your understanding of people and the environment. Explore entertaining lessons to take a close look at topics that include over-exploitation, pollution, environmental health and the politics of natural resources. Completing this chapter will ensure you're able to do the following:
- Define and list types of natural resources
- Share the definition and uses of medicinal plants
- List uses and discuss politics of energy resources
- Explain the impact humans have on the environment
- Provide details about over-exploitation and pollution
- Discuss arsenic contamination in water and soil
- Detail the effects and mitigation strategies of global climate change
- Identify and describe types and sources of environmental health
All lessons are available around-the-clock via any computer or mobile device with Internet access. This ensures you're able to study at the pace that works for your unique schedule. Select the lessons you'd like to study, and navigate them in your sequence of choice. When ready, take mini quizzes and a practice exam to assess your comprehension of the lessons. Any questions you develop while studying this chapter can be submitted to our experts via the Dashboard.
1. What Are Natural Resources? - Definition & Types
Natural resources are materials provided by the Earth that humans can use to make more complex (human-made) products. In this lesson, you will learn some examples of natural resources and how to classify them.
2. Medicinal Plants: Uses & Definition
Alternative medicine typically refers to medicine that does not include Western methods or pharmaceuticals and instead uses natural or plant-based fixes. Many plants can be used medicinally. Following this lesson, you will be able to define medicinal plants and describe their uses.
3. Energy Resources: Definition & Uses
After completing this lesson, you should be able to explain what energy resources are and give examples of the energy resources an area might possess. A short quiz will follow.
4. The Politics of Energy Resources: Conservation, Efficiency, & Renewable Energy
The following lesson addresses the global dependence on non-renewable sources of energy and the politics behind trying to move towards renewable sources. A short quiz will follow the lesson to check your understanding.
5. Human Impacts on the Environment
The human population continues to grow, but the size of Earth and the resources available for our use are limited. Humans greatly impact the world around them, and our actions can and often do have dramatic and long-lasting consequences.
6. Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations
In this lesson, you'll learn how humans overexploit or overharvest species. You will discover the primary way in which humans are responsible for overfishing. You will also learn about how this negatively impacts ecosystems.
7. 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.
8. Arsenic Contamination in Water & Soil
It's toxic. It's a poison. You can't even sense it. It's arsenic. It can be found in the soil and in the water. Find out why that matters to you and how it can affect you.
9. Global Climate Change: Effects and Mitigation Strategies
In this video lesson, you will learn about the potential effects of global climate change. You will also learn how some are working to better understand climate change in order to slow the rate of temperature increase on Earth.
10. What Is Environmental Health? Definition, Types & Sources
In this video lesson, you will learn about environmental health. You will also learn about threats to environmental health and how to distinguish between different categories of environmental hazards.
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