Energy Consumption and Conservation

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    • Introduction
    • Energy and Climate Change
    • Our Contribution to Climate Change
    • Your Carbon Footprint
    • Calculate Your Carbon Footpint
    • Reducing Your Carbon Footprint
    • Personal Conservation Commitment
    • Your Challenge: Create a Public Service Announcement
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    • Select an Approach and Develop a Design Proposal
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  • Table of Contents
  • Glossary
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  • Engineering Design Process
  • More to Explore
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More to Explore

Your Carbon Footprint

Not all electricity comes from burning fossil fuels. Some electricity comes from renewable sources, like solar, wind and hydroelectric power.

Check out this overview of our energy system to learn more.

> Our Energy System opens in new window
(from The National Academy of Sciences)

After reading, think about the following questions:

  • What are the energy sources behind solar, hydroelectric, wind, biomass and geothermal energy?
  • What is the total percentage of the U.S. energy output that comes from renewable sources? Is it less than or greater than 10%?
  • What are some issues that prevent greater use of renewable energy?

> Go to Lesson Activity


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