Carbon cycle & energy insecurity examples

Created by: hs17kacliftonday
Created on: 18-05-19 15:21

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Carbon Cycle and Energy Security Examples
- Impacts of climate change
  - Arctic sea ice
    - permafrost melted
    - temperature risen by 1-2 degrees
    - winter is now milder
    - animal mating & migration patterns disrupted
    - less albedo
    - sea level rise
- Drought event
  - Amazonia
    - increasing temp, decreasing rainfall
    - organisms won't survive in new conditions
    - deforestation means no cloud factories
    - wildfires
- Energy Security
  - USA
    - large consumers
    - lack of energy resources
    - increasing energy prices
    - many private companies
    - increasing demand
    - fracking
  - France
    - hydro electricity in La Rance estuary
    - mostly nuclear power
    - encouraging smart meters
    - 20% renewable
- Russian gas to Europe
  - trans-siberian pipeline
  - oil & gas supplies
  - Gazprom
  - conflicts between Russia & Ukraine when Russia turned off the supply
- Development of un conventional fossil fuels
  - Fracking USA
    - shale gas
    - harmful gases released
    - injecting liquid at high pressure
    - less CO2 than fossil fuels
    - produces jobs
  - Tar Sands Canada
    - Alberta
    - open cast mining
    - high pressure steam separates bitumen & sand
    - large amount of water needed
    - large scale deforestation
    - expensive
    - 20% of Canadian exports
- Biofuels
  - Brazil
    - Ethanol
    - produced using sugarcane
    - don't carry as much energy as petrol
    - can be used in vehicles
    - deforestation to grow crops
    - carbon neutral
- Changing energy mix
  - UK
    - relies on imported fossil fuels
    - little fracking
    - use of coal has decreased
    - 20% renewable used
    - energy consumption has declined

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Carbon cycle & energy insecurity examples

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