Life cycle assessments (Edexcel GCSE Chemistry Combined Science): Flashcards
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What does LCA stand for?
What does LCA stand for?
Life Cycle Assessment
What is the purpose of an LCA?
What is the purpose of an LCA?
Evaluate environmental impact throughout product lifespan
List the 5 stages of an LCA
List the 5 stages of an LCA
Extraction, Manufacturing, Distribution, Use, Disposal
Extraction stage impact
Extraction stage impact
Destroys habitats, generates carbon emissions
Manufacturing stage impact
Manufacturing stage impact
Large carbon emissions and waste production
Distribution stage impact
Distribution stage impact
Carbon emissions from transport
Three disposal methods
Three disposal methods
Recycling, incineration, landfilling
Landfill pollution risk
Landfill pollution risk
Toxic pollutants released into groundwater
Plastic bags material
Plastic bags material
Crude oil (non-renewable)
Paper bags material
Paper bags material
Trees (renewable)
Plastic bags disposal traits
Plastic bags disposal traits
Non-biodegradable, not recyclable
Paper bags disposal traits
Paper bags disposal traits
Biodegradable and recyclable
LCA issue: subjectivity
LCA issue: subjectivity
Subjective judgements on impact scale/severity
LCA issue: bias
LCA issue: bias
Can be manipulated for desired outcomes
LCA complexity issue
LCA complexity issue
Hard to account for all environmental impacts