Life Cycle Assessments

Question 1

What does a life cycle assessment look at?

Answer 1

Looks at how each stage of product is performing and how it can be reused and recycled.

Question 2

What is the first stage of the life cycle assessment ?

Answer 2

1) metals are extracted - lots of pollution

2) raw materials come from crude oil, non renewable oil, requires lots of energy to refine

Question 3

What happens during the 2 stage of the life cycle assessment?

Answer 3

1) Manufacturing uses lots of energy
2) Causes a lot of pollution
3) waste and how to dispose
4) waste recycled turned into other chemicals
5) need water, can’t put polluted water into environment

Question 4

What happens at the 3 stage of the life cycle assessment?

Answer 4

Using the product changes environment

Paint - toxic fumes
Burning fuels - greenhouse gases
Fertilisers - cause eutrophication

Question 5

What happens at the 4 stage of the life cycle assessment?

Answer 5

1) end up at landfill
2) take up space and pollute land
3) products may be burned , causes pollution.

Question 6

What the stages called ? In order?

Answer 6

Choice of materials
Manufacture
Produce use
Disposal