1. Fossil fuels present four challenges for long-term sustainability. What are t
ID: 295556 • Letter: 1
Question
1. Fossil fuels present four challenges for long-term sustainability. What are they, and how do they compare in the severity of their impact and cost of their mitigation strategies?
2. Rate the following electricity sources for their contribution to climate change from most to least: biomass, coal, solar, wind, nuclear, natural gas, oil, geothermal, hydroelectric, MSW. Is there any compelling reason not to use any of the carbon neutral (no net carbon emissions) sources?
3. The United States' electricity supply is provided primarily by coal, natural gas, nuclear, and hydropower. How safe are these fuel supplies from interruption by international disasters, weather events or geopolitical tension?
4. How do cultural social norms and values come into play with these types of systems?
Explanation / Answer
1.the four challenges for long-term sustainability of fossil fuels are as follows:-
It is non renewable resources which can be extinct some day.
It is producing high amount of pollutants
The pricing of the fossil fuels are increasing day by day
Completely relying over the fossils would never be a solution.
2. Most to least order:-
Coal, biomass, geothermal, natural gas, oil, hydroelectric, wind, msw, solar.
3. Thses fuels are not very safe as afuel supplies from interruption by international disasters, weather events or geopolitical tension.
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