C14 : 14.5 - Life cycle assessments - NOT COMPLETED

Question 1

what is an LCA

Answer 1

an analysis of the overall environmental impact that a product may have throughout its lifetime

Question 2

how many main stages is an LCA broken down into

Answer 2

4w

Question 3

what are the 4 main stages an LCA is broken down into

Answer 3

• Obtaining the ** raw materials **
• ** Manufacture and packaging **
• Usage of product
• * Disposal*

Question 4

what to consider when assessing raw materials of the product

Answer 4

1. where they come from
   * using up limited resources - eg ores and crude oil
   * damaging habitats for deforestation and mining
2. How much energy used to obtain them
   * processing the raw materials - req. lots of energy
   * eg extracting metals from ores or fractional distillation of crude oil - reqs. hight temps -> higher energy -> pollution

Question 5

what to consider when assessing manufacture and packaging of the product

Answer 5

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