Energy Sources
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Coal: Benefits and Costs
Hydropower: Benefits and Costs
Nuclear: Benefits and Costs
Oil: Benefits and Costs
Solar: Benefits and Costs
Wind: Benefits and Costs
Comparing Renewables: U.S. vs. Global Energy Use
Ethanol: Pros and Cons
Hydropower Dams: To Build or to Dismantle?
Exploring the Impact of Hydrofracking on Aquifers
Hydrofracking Pros & Cons: Arguing the Case