Climate Change - Human Causes Flashcards

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1
Q

carbon dioxide

A
  • burning fossil fuels - road transport, power stations, heating systems
  • deforestation (esp. rainforests) - trees make CO₂ –> O₂ = w/out trees CO₂ builds up in the atmosphere
  • peat bog reclamation/development (esp. scotland) for wind farms releases trapped CO₂ into the atms
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2
Q

CFCs

A
  • shredding of disused fridges = shredding foam inside releases CFCs
  • out of use ACs give off CFCs if not correctly dismantled
  • CFcs created as a byproduct of polystyrene packing (e.g. takeaway) - on the rise bc of eg deliveroo
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3
Q

methane

A
  • rice paddies feed increasing pops such as india & china
  • belching cows to meet increasing global demand for beef e.g. argentinian beef farms
  • melting permafrost in arctic areas
  • when landfill sites decompose, increasing pop = landfills rise
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4
Q

nitrous oxides

A
  • vehicle exhausts - increased cards bc increased pop & higher disposable incomes & more ppl learning to drive
  • power stations - coal fired to meet energy demands for growing pops e.g. india & china, coal generates 40% of global electricity bc increased electronic gadgets
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