Chapter 11: Life Cycle Analysis

Question 1

What is Life Cycle thinking?

Answer 1

recognizing how both consuming products and engaging in activities impact the environment.

Question 2

What are the life cycle stages of a manufactured product?

Answer 2

1. material extraction
2. material processing
3. manufacturing
4. product use
5. end of life

Question 3

What are the 3 R stages after end of life?

Answer 3

Reuse
Recyle
Re-manufacture

Question 4

How can the shifting impacts of life cycle stages be minimized?

Answer 4

By considering the entire system

Question 5

What are the stages that light bulbs went through in their development?

Answer 5

Incandescent: inefficient
CFL’s: environmental hazards
LED’s: expensive at first, but most efficient

Question 6

What are the 4 components of an Environmental Life Cycle Analysis?

Answer 6

• Goal and scope definition
• Inventory Analysis
• Impact Assessment
• At every stage above: Interpretation