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INTRODUCTION

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INTRODUCTION. Earth Lights from Space. Potential Test Questions. 1. What is Environmental Science? 2. How does science compared with other approaches used to understand the world? 3. What is the Scientific Method? 4. What are the world views that influence issues of Environmental Science?.

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slide3

Potential Test Questions

1. What is Environmental Science?

2. How does science compared with other approaches used to understand the world?

3. What is the Scientific Method?

4. What are the world views that influence issues of Environmental Science?

slide4

Geology

Our Environment

slide5

World Views

Utilitarian

Economic value (short term)

Ecological

Life-supporting value

Aesthetic

Beauty and enjoyment value

Moral

Species rights

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Science Assumes

  • 1. Events follow patterns understood through observation and analysis.
  • 2. Generalizations can be subjected to tests that disprove them.
  • 3. Evidence can disprove existing scientific theories, but science can never provide an absolute proof of the truth of its theories.
    • Because of this, Science is very different from other fields, such as Religion, Art, or even Mathematics.
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Theory

Vernacular: Theory = hypothesis

In Science:Theory = a strongly supported hypothesis; supported by many experimentally tested hypotheses.

Examples: Cell theory of life

Germ theory of disease

slide9

Solving Environmental Problems

  • Scientific Assessment
  • Refer back to scientific investigation
  • Risk Analysis
  • Evaluate the potential effects of intervention
  • Public Education
  • Explain problem, choices, costs, and
  • potential results
  • Political Action
  • Implement course of action
  • Scientific Follow-Up
  • Evaluate the results of actions taken
slide14

Lake Washington

  • Models predicting water quality were made.
  • Risk analysis of possible responses discussed.
  • Public given information on sewage dumping.
  • Proposed bill voted down.
  • Revised bill passed by voters.
slide15

Results

The predictions concerning decreasing the phosphorus as a way to decrease eutrophication were correct.

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