Chapter 7 Flashcards
types of energy sources
Fossil fuels
- stored sunlight
- cheap and plentiful
-contributes to climate
change
- Hard extraction
Renewable fuels
- Will not run out
- technology needed to harness
- Hydro electricity, tidal power, solar energy, wind power, biofuel, waste, geothermal
Energy security
The safe, reliable and affordable access to energy
- insecurity due to
geopolitical tension
Factors influencing energy choice
sustainability of supply
development
economic factors
(cost of production)
environmental factors
(climates)
Climate vs weather
Climate is averages over a long period of time
what influence climate
oceanic circulation patterns, air motion and human activity
- thermohaline circulation
- Tricellular model
- greenhouse gas emission
Positive feedback loops and tipping points
Carbon dioxide
Deforestation
Changes in albedo
Mitigation
