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MaggieJeremy5
 

MaggieJeremy5

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    MaggieJeremy5 MaggieJeremy5 Presentation Transcript

    • GLOBAL WARMING    
      • By Maggie & Jeremy
        • The Greenhouse Effect is when gases in the atmosphere reflect the sun’s radiation back onto earth
        • Climate Change is a significant and lasting change in the weather patterns over periods ranging from decades to millions of years
        • Global Warming is the gradual increase of the world’s average temperature, believed to be primarily caused by humans
      What is the Greenhouse Effect? Climate Change? Global Warming?
    • How They Go Together…
      • Greenhouse gases keep heat and energy in the atmosphere, leading to global warming (rising of global temperature)
      • This change in temperature leads to climate changes
    • Primary Causes of Global Warming:
        • The build up of CO2 in our atmosphere- reflects radiation back to Earth
        • Excessive greenhouse gases in our atmosphere from cars, power plants, and heating our homes with oil and natural gases
    • Consequences of Global Warming
        • Increased risk of flash floods
        • Many foods will no longer be available (Ex: nuts, fruits, vegetables…)
        • Hot, dry, weather leading to wildfires
        • Health: Heat waves
        • Wildlife: losing many species such as polar bears
        • Loss of many glaciers
        • Rising sea levels
        • Increasing amounts of precipitation
        • Stronger hurricanes and other natural events
        • Changing ecosystems
    • The Impact on the Economy:
      •   Predictions in China show that agricultural output will decrease by 37% in the next 50 years
      • The UN predicts Global Warming will cost China 7.8 billion dollars
      • Longer summers have led to a longer allergy season and increased health care costs for asthma and people who suffer from allergies
      • Increased air pollution kills 1,000 U.S residents every 1°C increase in temperature
    •   How to fight Global Warming:
      • Reduce, Reuse, Recycle
      • Use less heat and air conditioning
      • Drive less and drive smart
      • Buy energy efficient products
      • Plant a tree
      • EDUCATE OTHERS!
      •   Sunspots are the cause of the earth’s rising temperature (TRUE)
      • Efforts by state governments to reduce greenhouse gas emissions are even more expensive and are threatening to bust state budgets (CONTROVERSIAL)
      • Human activities do not disrupt the Earth (FALSE)
      Argument(s) against Global Warming
    •   OUR OPINIONS:
      •   Humans and natural causes BOTH have an effect
      • Sunspots, El Nino=natural causes
      • Human CO2 emissions, tar and gas buildup from factories=Humans
      • Hopefully we can all work together to make a difference and help STOP Global Warming 
    • Work Cited
      • http://www.rense.com/general76/causes.htmS
      • http://www.americanprogress.org/issues/2007/09/podesta_nast.html
      • http://www.nrdc.org/globalwarming/fcons.asp
      • http://globalwarming.house.gov/impactzones/china
      • http://environment.nationalgeographic.com/environment/global-warming/gw-effects/
      • http://useconomy.about.com/od/criticalssues/p/global_warming.htm
      • http://www.aproundtable.org/tps30info/globalwarmup.html