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Joanna L Pp4 Gw Presentation Transcript

  • 1. Global Warming By: Joanna Levesque
  • 2. What is global warming?
    • according to dictionary.com
    • (noun): an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
  • 3. What is the green house effect?
      • (noun): an atmospheric heating phenomenon, caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere but longer-wavelength heat radiation less readily transmitted outward, owing to its absorption by atmospheric carbon dioxide, water vapor, methane, and other gases; thus, the rising level of carbon dioxide is viewed with concern.
  • 4. What causes global warming?
    • Carbon Dioxide from Power Plants
    • Carbon Dioxide Emitted from Cars
    • Carbon Dioxide from Airplanes
    • Carbon Dioxide from Buildings
    • Methane
    • Nitrous Oxide
    • Deforestation
    • City Gridlock
    • Carbon in atmosphere and ocean
    • Permafrost
    • Tundra
    "If we can get 3 miles more per gallon from our cars, we'll save 1 million barrels of oil a day” -Senator Joseph Lieberman
  • 5.
    • *Turn your computer off
    • *Unplug all appliances when they are not in use
    • *Drive hybrid cars if possible, or fewer miles each week
    • *Switch to compact florescent light bulbs
    • *Reduce, Reuse, Recycle
    • *Use Less Heat and Air Conditioning
    • *Buy Energy-Efficient Products
    • *Plant a tree
    • *Use less hot water
    • *Get a Report Card from Your Utility Company
    • *Encourage others to conserve
    Everything You do Effects Earth! (Tips for lessening Global Warming)
  • 6. (continued)
    • *Separate waste materials (biodegradable to non-biodegradable)
    • *Do not throw your garbage anywhere
    • *Volunteer in local clean-ups in the community
    • *Let your clothes dry by hanging in the air
    • *Hand wash your clothes instead of using washing machines if you only have a few clothes to wash
    • *Carpool, walk, or ride a bicycle
    • *Take a short shower, do not waste water
    • *Buy a filter for you tap water
    • *purchase a reusable cloth bag, instead of using plastic ones
    • *Recycle plastic, tin cans, and old batteries (RBRC)
    • *use vinegar and baking soda as cleaning agents
    Tips for lessening Global Warming
  • 7.  
  • 8. Proof of global warming
    • National Park's Grinnell Glacier is already 90% gone.
    • North America's largest glacier has lost 7 miles of its length.
    • Greenland's glaciers are moving more quickly to sea, caused by cooling waters lubricating the base of glaciers.
    • The Tasman Glacier has shrunken 100+ meters in the past 100 years.
    • New Zealand glaciers have shrunk about 26% between 1890 and 1998.
    Glaciers are disappearing
  • 9. How does global warming effect the future of our environment?
    • Deaths Due to Climate Change
    • World Health Organization (WHO) scientists determined that 154,000 people die every year from the effects of global warming
    • It is possible that these numbers could double by 2020.
  • 10. Pollution also effects global warming! Be careful of what you throw away because…
  • 11. How our planet protects us from the harmful radiation from increased carbon emissions.
  • 12. 5 Deadliest Effects of Global Warming
    • Polar ice caps melting
    • Economic consequences
    • Increased probability and intensity of droughts and heat waves
    • Warmer waters and more hurricanes
    • Spread of disease
  • 13. Myths and Truths
      • The earth is warming because of us
      • Maybe, but the IPCC says it’s likely that we have only increased the warming, not caused it.
      • There will be storms and floods
      • There have always been storms and floods and no science proves that global warming has increased the amount of storming or flooding.
      • The earth’s poles are warming; polar ice caps are breaking up and melting and the sea level rising.
      • The western Arctic may be getting somewhat warmer, due to unrelated cyclic events in the Pacific Ocean, but the Eastern Arctic and Greenland are getting colder. Ice thicknesses are increasing both on Greenland and in Antarctica. 
    Rumor has it…
  • 14. We hold the world’s future in the palm of our hands. Its up to us to reverse and stop the effects of Global Warming.
  • 15. By Joanna Levesque 
    • … the end.