1. Why study man’s impact on the environment?
With your partner list 5 reasons why you might need to know “Man’s impact on the environment.

2. 83% of world’s land surface under human influence
This map shows the global impact of the human footprint. 83% of the Earth is now being used by humans in some capacity, due mostly to population growth compounded with increasing consumption of resources.

3. An in-depth look at natural resources and man’s impact on these resources will be the focus of the next few days.

4. Types of Natural Resources Renewable Nonrenewable Inexhaustible
Natural Resources are parts of the Earth’s environment that supply materials useful or necessary for the survival of living organisms.
Types of Natural Resources
Renewable
Nonrenewable
Inexhaustible

5. Renewable Resource
A renewable resource is any natural resource that is recycled or replaced constantly by nature.
Plants
Clean water
Soil

6. Nonrenewable
Coal
Oil
Natural gas
Minerals

7. Coal
One of the world’s major sources of energy. In the United States, coal provides approximately 23% of all the energy consumed.
Coal is used to produce more than half of all the electrical energy that is generated and used in the United States.

8. Inexhaustible Resources
Sun
Geothermal
Wind
Water

9. Why is water considered a renewable and an inexhaustible resource?
With your partner decide why water is listed in both categories.

10. Myth Busters Greenhouse Effect
Answer questions as you view the clips.