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Nonrenewable Energy Resources G. Tyler Miller’s Living in the Environment 14 th Edition Chapter 17 G. Tyler Miller’s Living in the Environment 14 th Edition Chapter 17
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Key Concepts Available energy alternatives Oil resources Natural gas resources Coal resources Nuclear fission and fusion
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Evaluating Energy Resources Renewable energy Non-renewable energy Future availability Net energy yield Costs Environmental effects Fig. 17-3b p. 352
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Important Nonrenewable Energy Sources Fig. 17-2 p. 351
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North American Energy Resources Fig. 17-9 p. 357
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Oil Petroleum (crude oil) Recovery Petrochemicals Refining Transporting Fig. 17-8 p. 356
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Conventional Oil: Advantages Relatively low cost High net energy yield Efficient distribution system Refer to Fig. 17-15 p. 360
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Conventional Oil: Disadvantages Running out Low prices encourage waste Air pollution and Greenhouse gases Refer to Fig. 17-15 p. 360 Water pollution
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Arctic National Wildlife Refuge Controversy: Trade-offs Would create jobs Oil resources are uncertain Uncertain environmental impacts Refer to Fig. 17-14 p. 360 Drilling controversies
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Oil Shale and Tar Sands Oil shale Kerogen Tar sand Bitumen Fig. 17-18 p. 362
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Natural Gas 50-90% methane Conventional gas Unconventional gas: Methane hydrate-located in Bubbles of artic permafrost and ocean sediment Methane hydrate-located in Bubbles of artic permafrost and ocean sediment Liquefied petroleum gas (LPG) Liquefied natural gas (LNG) Approximate 200 year supply Fig. 17-19 p. 363
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Coal Stages of coal formation Primarily strip-mined may remove Mountains and dump into valley below Primarily strip-mined may remove Mountains and dump into valley below Used mostly for generating electricity Enough coal for about 1000 years High environmental impact Coal gasification and liquefaction
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Fig. 17-20 p. 364 Coal Formation and Types
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Coal: Trade-offs Fig. 17-21 p. 365
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Synthetic Fuels: Trade-offs Fig. 17-22 p. 365
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Nuclear Energy Fission reactors Uranium-235 Potentially dangerous Radioactive wastes Refer to Introductory Essay p. 350 Fig. 17-23 p. 367
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Locations of U.S. Nuclear Power Plants Fig. 17-25 p. 369
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The Nuclear Fuel Cycle Fig. 17-24 p. 368
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Conventional Nuclear Power: Trade-offs Fig. 17-26 p. 370
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Serious Nuclear Accidents Three Mile Island (1979) Chernobyl (1986): p. 350 Three Mile Island (1979) Chernobyl (1986): p. 350
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Dealing with Nuclear Waste High- and low-level wastes Terrorist threats Underground burial Disposal in space Burial in ice sheets Dumping into subduction zones Burial in ocean mud Conversion into harmless materials
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Yucca Mountain Controversy Wastes stored and guarded in one place Possible long-term groundwater contamination Security and safety concerns during waste transport to the site Refer to Fig. 17-29 p. 374
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Permanent Underground Disposal of Nuclear Wastes Storage Containers Fuel rod Primary canister Overpack container sealed Underground Buried and capped Ground Level Unloaded from train Lowered down shaft Personnel elevator Air shaft Nuclear waste shaft Fig. 17-28 p. 373
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Nuclear Alternatives Breeder nuclear fission reactors Nuclear fusion New reactor designs
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