Advantages and Disadvantages of Sources of Energy

Topics: Natural gas, Coal, Petroleum Pages: 4 (838 words) Published: August 23, 2013
Questions to consider
• Where are the nonrenewable sources of energy located?
• How easy is it to gain access to these sources?
• What are the consequences of using these sources (fuels)? • What are the costs (direct and indirect) of using these sources? Are there viable alternative sources of fuel?
• What is the current cost of crude oil and other forms of energy? • What else have you learned about these resources?
• What is the political environment for these energy sources? NATURAL GAS
• Burns clean compared to cola, oil (less polluting)
• 70% less carbon dioxide compared to other fossil fuels
• helps improve quality of air and water (not a pollutant) • does not produce ashes after energy release
• has high heating value of 24,000 Btu per pound
• inexpensive compared to coal
• no odor until added
• not a renewable source
• finite resource trapped in the earth (some experts disagree) • inability to recover all in-place gas from a producible deposit because of unfavorable economics and lack of technology (It costs more to recover the remaining natural gas because of flow, access, etc.)

Other information
• 5,149.6 trillion cubic feet of natural gas reserve left (more than oil but less than coal)
• 23.2% of total consumption of natural gas is in the United States WATER POWER
• Provides water for 30-30% of the world’s irrigated land • Provides 19% of electricity
• Expands irrigation
• Provides drinking water
• Supplies hydroelectric energy (falling water used to run turbines) • Easier for third world countries to generate power (if water source is available)
• It is cheaper
• Destabilizes marine ecosystems
• Water wars (up river and down river; e.g., the water war between Georgia, Alabama, and Florida is ongoing)
• Dam building is very costly
• People have to relocate
• Some dams have to be torn down (Some older ones are not stable.) • Restricted to areas with flowing water
• Pollution affects water...
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