Geography part 2

ADVANTAGES:

• More efficient than coal
• Easier to transport
• Diversity of uses
• Petro-chemicals

DISADVANTAGES:

• Lasts only 50-70yrs,
• Oil spills
• Releases GH gases
• Prices fluctuate
• Refineries use lot of space
• Acid rain

ADVANTAGES:

• Cleanest of fossil fuels
• Cheaper than oil
• Easy to distribute

DISADVANTAGES:

• Releases methane
• Explosive
• Prices fluctuate
• Acid rain
• GH gases

• Reduce dependence upon fossil fuels
• Alleviate the world’s energy crisis
• Offer opportunities for development of alternative energy sources
• They do not pollute
• They do not add to Global Warming
• The source lasts forever

• Difficult to generate quantities of electricity required
• Energy produced incomparable to fossil fuels
• Unreliable supply of constant energy; wind doesn’t blow everyday
• Some countries do not have the conditions for these sources
• Cost of renewable energy technology very high
• Cost of fossil fuel generation much less

• Technology for nuclear power exists
• Abundance of radioactive supply as fuel
• Releases very low amounts of greenhouse gases
• Reduces dependency on fossil fuel countries
• Nuclear waste stored safely underground
• Electric supply altered easily based on demand

• Risk of nuclear accidents (Chernobyl)
• Risk of nuclear plants as terrorist targets
• Nuclear technology can be used to make WMDs
• Risky to transport material
• Cost of power plants are high
• Risk of nuclear radiation related to cancer
• Uranium mining dangerous and polluting
• Remains radioactive for long

• Needs geologically stable ground (away from plate margins and earthquakes)
• Needs flat land which is easier to build on
• Needs to be near a large coal supply as coal is heavy to transport and a lot is needed
• Needs impermeable rock
• Needs to be close to a railway to bring in large amounts of fuel
• Needs a water source

• Needs high rainfall and low evaporation levels
• Needs a steep sided valley
• Needs impermeable rock
• Needs to be away from large centers of population

• Needs large amounts of water for cooling purposes so is often by the coast / a river
• Needs geologically stable ground (away from plate margins and earthquakes)
• Needs flat land which is easier to build on
• Needs impermeable rock
• Needs to be away from large centers of population

• Drought: below average supply of water over a prolonged period.
• Famine: crops fail & livestock die due to water shortage
• Groundwater supply deplete and aquifers begin to dry up
• Conflict arise if there is a limited supply of water and water resources are shared
• People may be forced to relocate due to famine and drought
• Stagnant dirty water = increased risk of waterborne diseases
• Eutrophication due to run-off from farms containing fertilizer
• Dirty water and eutrophication may cause loss of biodiversity