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We Should Protect The Ozone Layer
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We Should Protect The Ozone Layer

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We Should Protect The Ozone Layer We Should Protect The Ozone Layer Presentation Transcript

  • Why we should protect the ozone layer?
  • What is the ozone layer?
    • The ozone layer is a gas that lies within the stratosphere where it protects us from UV-B radiation.
    • “The ozone screen has thinned about 5% during the winter months of the past 10 years”
  •  
  • CFC’s or Chlorofluorocarbons
    • Give off chlorine into the stratosphere
    • Aerosol sprays
    • Air conditioning
    • Use of refrigeration
  • Greenhouse Gases
    • Examples: Coal, natural gases, and oil.
    • The United States is responsible for emitting 20% of the global greenhouse gases.
  • UV Rays
    • UV Rays or otherwise known as Solar Ultraviolet and it comes from the sun.
    • Positive: good for bone strength
    • Negative: Skin cancer, cataracts, reduction of crops, and disruption of marine ecosystems.
  • Global Warming
    • Is a result of allowing these other three things to reach our Earths surface.
    • For in the true nature of things, if we rightly consider, every green tree is far more glorious than if it were made of gold and silver. Martin Luther