Sustainability (AQA GCSE Design and Technology): Flashcards
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Practise the cards
15 cards from this deck
Definition of sustainability
Definition of sustainability
Meeting today's needs without compromising future generations' ability to meet theirs
Finite resources
Finite resources
Materials that can't be renewed fast enough to meet demand
Examples of finite resources
Examples of finite resources
Fossil fuels, metal ores, and minerals
Projected lifespan of coal at current rates
Projected lifespan of coal at current rates
Over 130 years
Projected lifespan of oil at current rates
Projected lifespan of oil at current rates
About 20 years
Non-finite resources
Non-finite resources
Resources replenished naturally & can sustain demand indefinitely
Examples of non-finite resources
Examples of non-finite resources
Plants/algae, plant-based oils, managed timber
Fuel made from cultivated plants/algae
Fuel made from cultivated plants/algae
Biodiesel
Life Cycle Assessment (LCA)
Life Cycle Assessment (LCA)
Measures product's environmental impact from cradle to grave
Most desirable waste hierarchy option
Most desirable waste hierarchy option
Reduce
Waste hierarchy order (most to least desirable)
Waste hierarchy order (most to least desirable)
Reduce, Reuse, Recycle, Dispose/Landfill
Example of reusing materials
Example of reusing materials
Refillable ink cartridges
Benefit of recycling materials
Benefit of recycling materials
Reduces need for new raw materials
Silver & gold projected depletion time
Silver & gold projected depletion time
15-20 years
Consequences of poor waste management
Consequences of poor waste management
Pollution, habitat harm, contributes to global warming