4.11 and 4.12 Life-cycle assessments

Question 1

Life-cycle assessments

Answer 1

They are carried out to assess the environmental impact of products in stages:
1] Extracting and processing raw materials necessary for the product
2] Manufacturing and packaging
3] Use and operation during its lifetime
4] Disposal at the end of its useful life, including transport and distribution at each stage

Question 2

Use of resources

Answer 2

Water, energy sources and production of some wastes can be easily quantified
However, this is not as straightforward and it is not a purely objective process