1 global warming is real vn

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1 global warming is real vn

  1. 1. GLOBAL WARMING<br />By: Nate Wilkinson <br />Vanessa Litzenberger<br />
  2. 2. Pollution<br />Americans use about 2.2 billion pounds of pest asides every year<br />1.2 trillion gallons of sewage, storm water, and industrial waste are put into the us water ways annually<br />Polluted drinking waters are a huge problem for about half the world population <br />Each year about 250 million cases of water based diseases result in in 5 to 10 million deaths<br />
  3. 3. Fossil Fuels<br />When we burn fossil fuels we put bad gases and smoke throughout the atmosphere<br />Coal, oil, and natural gas are a non renewable source <br />Fossil Fuels provide about 85% of the Earth’s power<br />
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  7. 7. Gases in the Atmosphere<br />Oxygen- a main component of the air we breath (20.0%)<br />Carbon Dioxide- increasing rapidly (0.03%)<br />Nitrogen- lighter than air (78.1%)<br />Methane- very flammable and is increasing <br />Hydrogen sulfide<br />Radiation- heat waves off objects<br />Pressure decreases and increases depending on the altitude in the atmosphere<br />
  8. 8. Co2<br />The co2 concentration in the atmosphere has doubled since 1970 <br />When then co2 concentration increases so does the global temperatures <br />Over 400,000 square miles of ice have melted because of the increase of temperatures which are caused by co2 increase<br />CO2 is colorless, odorless, tasteless, non-flammable <br />Carbon dioxide is used in food and beverage.<br />It is used in food to protect food and texture. Also to reduce the need of preservatives in the food.<br />

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