The Dangers of Global Warming

These " spheric warming" gun for hirees accept: carbon dioxide, methane, nitrous oxides, chlorofluorocarbons (CFCs), and halocarbons (the replacements for CFCs). Houghton lists several comes of global warming, almost each(prenominal) of which argon associated with human activities that release carbon dioxide into the atmosphere. one C dioxide is all important(predicate) because it is believed to be responsible for approximately half of all global warming. The causes listed by Houghton can be listed as follows:

1. Carbon Dioxide from ply Plants - Emissions from the burning of fossil fuels for the purpose of generating electric energy argon a primary cause of global warming, most curiously the burning of coal which emits a huge amount of carbon per unit, far more than oil or natural gas.

2. Carbon Dioxide Emitted from Transportation Vehicles - In the United States alone, over 20 per centum of carbon dioxide emissions comes from the burning of gasoline in cars. The poorer the car's gas mileage, the greater the amount of

3. Carbon Dioxide From Buildings - In addition to transportation vehicles, buildings also emit carbon dioxide and are believed to account for about 12 percent of total emissions.

field of study Re inceptions Defense Council. "Global heating." 2006. >http://www.nrdc.org/globalWarming/f101.asp#7>.

carbon dioxide emitted into the air. Trucks are another source of carbon dioxide emissions as are airplanes whose emissions are said to cause about 3.5 percent of global warming across the human race with expectations that this could rise to 15 percent by 2050. When considering transportation vehicles such(prenominal) as cars and trucks, an additional factor that must be interpreted into account is "city gridlock." In this regard, it is estimated that over 600 million gallons of gas per day are burned while people precisely sit with their engines idling on congested freeways and roads in America alone.

United States Environmental Protection Agency. "Global Warming Climate." 2006. EPA. 9 February 2006.>http://yosemite.epa.gov/oar/globalwarming.nsf/content/clima
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