Earths Changing Environment Lecture 15

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Earths Changing EnvironmentLecture 15

• Energy Conservation

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Reducing fossil fuel consumption alleviates
environmental problems

• Conserve fossil fuel resources
• Reduce air pollution
• Reduce CO2 emissions
• Reduce extraction impacts
• Reduce use of water and other resources.

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How do we use energy in the US?
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US Energy Consumption Fuel(97 Quad)
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US Energy Consumption End Use(97 Quad)
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US Residential Energy Consumption(21 Quad)
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US Commercial Energy Consumption(17 Quad)
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US Industrial Energy Consumption(32 Quad)
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US Transportation Energy (27 Quad)
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US Electricity Generation (38 Quad)
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US Oil Consumption(39 Quad)
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US Natural Gas Consumption(22 Quad)
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US Coal Consumption(22 Quad)
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Ways to reduce fossil fuel consumption.

• Increase energy efficiency.
• Use renewable energy.
• Alter lifestyle to lower energy needs.

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Energy Conservation

• Usually means reducing use of fossil fuel energy
  through lifestyle changes or increased energy
  efficiency.

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Lifestyle Changes

• Public Transportation
• Active Lifestyle
• Smart Growth
• Climate Sensitive Architecture
• Recycling

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Energy Efficiency

• Energy Efficiency Useful Energy Output /
  Energy Input

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We will consider five energy conservation areas

• Electric Power Generation
• Electric Lighting
• Space Heating and Cooling
• Transportation
• Recycling