Life Cycle Assessment (AQA GCSE Chemistry): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
LCAs evaluate
LCAs evaluate
Environmental impact of products throughout entire lifespan
LCA scope: from ___ to ___
LCA scope: from ___ to ___
Extraction of raw materials to disposal
Materials extraction impacts
Materials extraction impacts
Mining, destroys environments, generates carbon emissions
Manufacturing stage impacts
Manufacturing stage impacts
Large carbon emissions and waste production
Distribution stage main impact
Distribution stage main impact
Carbon emissions from transport (lorries, ships, planes)
Electrical goods: use phase impact
Electrical goods: use phase impact
Increase demand for fossil fuel power generation
Three disposal methods in LCAs
Three disposal methods in LCAs
Recycling, incineration, and landfilling
Landfill disposal impact
Landfill disposal impact
Releases toxic pollutants into groundwater
Plastic bags: raw material source
Plastic bags: raw material source
Crude oil (non-renewable resource)
Paper bags: raw material source
Paper bags: raw material source
Trees (renewable resource)
Plastic bags: disposal properties
Plastic bags: disposal properties
Non-biodegradable, not recyclable, slow to decompose
Paper bags: disposal properties
Paper bags: disposal properties
Biodegradable, recyclable, breaks down quickly
Paper bags advantage over plastic
Paper bags advantage over plastic
Renewable and biodegradable
LCA limitation: subjective judgements
LCA limitation: subjective judgements
Different people weigh impacts differently, causing variability
LCA limitation: manipulation potential
LCA limitation: manipulation potential
Can underestimate impacts or ignore indirect effects