NAT 388 Week 7 In Class Notes
NAT 388 Week 7 In Class Notes NAT 388G
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This 3 page Class Notes was uploaded by Samantha Bishop on Friday October 7, 2016. The Class Notes belongs to NAT 388G at Lenoir-Rhyne University taught by Heidi Holder in Fall 2016. Since its upload, it has received 4 views. For similar materials see Level II Natural World in Natural Sciences at Lenoir-Rhyne University.
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Date Created: 10/07/16
NAT 388G Week 7 Class Notes 10/06/16 Nonrenewable Energy Sources Oil o 1970: 40% of energy o Decreased due to the increased efficiency and switch to other sources o ANWR (Arctic National Wildlife Refuge) o Oil on 1.5 million acre subsection of coastal plane o Balance of economically recoverable oil (small) with potential environmental damage (large) Pros: Easy transport High energy density Abundant Easy to use Cons: Carbon dioxide Finite Drilling (spills and ecosystem hazard) Expensive and safety issues Coal Pros: U.S. sources Cheap High load factor Cleaner is possible Cons: Carbon dioxide, sulfur, nitrogen oxide, mercury Finite Safety, health, environment issues Natural Gas o 21% of world’s energy production o Highvolume horizontal hydraulic fracturing (fracking) o Sand, water, chemical injected to extract Pros: Cleanest Appliances use it Building of new plants is economical Cons: Potentially dangerous Carbon dioxide and methane Finite Ecosystem damage Nuclear (Uranium or Plutonium) Pros: Huge output Very clean Less reliance on fossil fuels Cost effective Technology in place Cons: Mining can damage ecosystems Potentially hazardous Waste Safety (deaths) Coal o USA = 15 o China = 90 o World Average = 100 Oil o 36 Natural Gas o 4 Hydro o 1.4 Biofuel/Biomass o 12 Peat o 12 Solar o 0.44 Wind o 0.15 Nuclear o 0.04
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