1. Essential Question
What is Environmental Science?

2. What is Environmental Science?
The study of how humans interact with the environment

3. Environment
The surroundings that affect our lives and development

4. Goals of Environmental Science
Identify
Evaluate
Solve

5. Goals of Environmental Science
Identify Environmental Problems
Evaluate Environmental Problems
Solve Environmental Problems
How do we use natural resources?
How do our actions alter the environment?

6. Environmental Science is an Applied Science
Uses information from pure sciences to solve problems
Pure Science
Studies how the world works
Biology
Chemistry
Climitology

7. Fields of Study that Contribute to Environmental Science
Biology
Ecology
Zoology
Botany
Microbiology
Chemistry
Biochemistry
Geochemistry
Earth Science
Geology
Paleontology
Climatology
Hydrology
Social Science
Geography
Anthropology
Sociology

8. Scientists as Citizens, Citizens as Scientists
All environments are connected
Earth is a closed system
All of our actions have an impact
We’re all in it together
Today’s environmental decisions will affect the lives of future generations

9. Environmental Problems
Resource Depletion
Pollution
Extinction

10. Resource Depletion
Natural Resource – A naturally occurring material that can be used by people
Renewable Resource
Can be replaced
Nonrenewable Resource
Cannot be replaced

11. Pollution
A change in air, water or soil that has an adverse affect on human health or well being.
Biodegradable – Can be broken down by natural processes
Nonbiodegradable – Do not break down easily and build up in the environment

12. Loss of Biodiversity
Biodiversity – The number and variety of species living in an area.
Extinction – The disappearance of a population or species.

13. Reasons for Species Decline
HIPPO
H – Habitat Destruction
I – Invasive Species
P – Pollution
P – Population
O - Overexploitation

14. One last word….. Population Growth World Population: U.S. Population:
7,449,048,560*
U.S. Population:
327,074,030*
Source: U.S. Census Bureau as of 1:32 pm 01/22/18