Resources, Ch. 5

Resources, Ch. 5 - Renewable & Nonrenewable Energy...

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Renewable & Nonrenewable Energy Resources
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Resource Terminology Renewable Resources replaced or replenished by natural processes Nonrenewable Resources generated in nature so slowly that the supply is finite
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Resource Terminology Proved Reserves quantities of a resource that can be extracted profitably from known deposits
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Industrial Revolution Major technological, socioeconomic and cultural change in the late 18 th and early 19 th century Steam power > Coal Shift from renewable to nonrenewable resources
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Industrial Revolution Wealth in industrialized countries = economic base of coal, oil and natural gas Energy consumption rises with industrial production and increases in wealth
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Nonrenewable Energy Resources Coal Crude Oil Natural Gas Nuclear Energy
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Coal dominant domestic energy source until 1950 US coal reserves should last about 250 years
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Advantages of Coal Advantages the most abundant fossil fuel the least expensive fuel for generating electricity and producing high-temperature heat or steam can be converted into liquid or gaseous fuels
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Disadvantages of Coal Disadvantages mining is dangerous and unhealthy work Financial burden of Black Lung Disease mining can cause land subsidence and acid drainage surface or strip mining coal produces waste materials and damaged land burning coal produces more atmospheric pollution than other fuels
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Regional Shares of Proved Coal Reserves, January 1, 2003
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Centralia, PA – modern ghost town
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Centralia, PA
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Highway 61 in Centralia
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Centralia, PA
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Oil 40% of the commercial energy consumed in the world
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Advantages of Oil Advantages Fuel of choice for cars Cleaner than coal = less CO 2 Power > heat, steam, and electricity Important nonfuel uses petrochemicals, lubricants, and asphalt Plastic! Cheaply transported oceans by supertanker continents by pipeline & truck
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Disadvantages of Oil Disadvantages Air pollution Acid rain Carbon dioxide Oil Spills Reserves are being depleted very quickly Geopolitical Problems
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Leading Producers and Consumers of Oil, 2002
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International Crude Oil Flow by Sea, 2002
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Fig. 5.7
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Resources, Ch. 5 - Renewable & Nonrenewable Energy...

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