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Sustainable Development

  1. Solar Power
      Flip
    • How much solar energy hits the surface Earth in one hour?
      1. Enough to power the world for one year
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    • What are the 2 primary different types of methods to harness solar power?
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    • Why isn't solar energy our primary energy source?
      1. They are not efficient; We don't have good way to store it; Can't be used at night or on cloudy days; It is expensive.
      Flip