LCAS Flashcards
What does LCA stand for ?
Life cycle assesments
What is LCA
It is an attempt to put a number on the enviromental impacts of a product
Stages of LCA production
add outputs too
Extracting raw materials - huge amount of energy reuqried
Manufacture - eneergy needed to transport product
Production
Use / reuse
recylce / waste management - energy needed to transport products .
Examples of outputs of LCAS
energy disspiated to the surroudnign
atmospheric emissions
waterbone wastes
Plastic or paper bag ? (6 marks)
see notesfor answer
Whats wrong with LCAS ?
Caannot always measutr how damaging this are to the enironment so have to make estimates / valued judgement not always accurate .
LCAS can be biased - to support their claims by advertisers
They only highligh the enivronmental impacts of a product not its cost or perfomrance levels .
Why should LCAS be coarried out on new products ?
to assess the environmental impact of the products, process or services.