Environmental issues 1 (Edexcel GCSE Computer Science): Flashcards
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14 cards from this deck
Use of copper in digital devices
Use of copper in digital devices
Wiring and circuits
Use of palladium in digital devices
Use of palladium in digital devices
Computer components
Use of rare earth elements in digital devices
Use of rare earth elements in digital devices
Screens and batteries
% of device energy in manufacture/disposal vs use
% of device energy in manufacture/disposal vs use
70% manufacture/disposal, 30% use
Annual global e-waste production
Annual global e-waste production
50 million tons
% of e-waste properly recycled
% of e-waste properly recycled
20%
Toxic substances in e-waste (3 examples)
Toxic substances in e-waste (3 examples)
Lead, mercury, and cobalt
WEEE full name
WEEE full name
Waste Electrical and Electronic Equipment
Annual energy use of data centres
Annual energy use of data centres
200 terawatt hours (TWh)
Smart technologies helping environment (3 examples)
Smart technologies helping environment (3 examples)
Light sensors, route planners, smart thermostats
Fuels used in device manufacturing
Fuels used in device manufacturing
Fossil fuels like coal and oil
Example of toxic material in devices
Example of toxic material in devices
Arsenic
Why materials like copper/palladium are concerning
Why materials like copper/palladium are concerning
They are non-renewable
Recycling e-waste benefit for raw materials
Recycling e-waste benefit for raw materials
Reduces need for mining new raw materials