Saturday, April 21, 2007

Causes of global warming

The cause of global warming is the increase in the greenhouse gases on the planet. These gases include: -

  1. Carbon dioxide: - emitted from burning fossil fuels such as oil, natural gas and coal.
  2. Methane: - emitted during the production and transport of coal and natural gas. It is also emitted from the decomposition of organic waste in municipal soil waste.
  3. Nitrous oxide: - emitted during agriculture and industrial activities.
  4. Others such as HFC, PFC and SF5 that are produced by industrial processes are powerful greenhouse gases that can affect the atmosphere.

(press on the picture to see it bigger)

All of these greenhouse gases are man made although some are produced by nature from volcanic emissions.

As the population on earth increases there is a demand for more energy that is produced by power plants that burn fossils fuels that causes an increase in the CO2 and greenhouse gases in the air. The power plants used for generating electricity are the number one cause of greenhouse gas emittions. The second cause is the increase in the number of cars on the roads. This is due to the increase in the population and the increase demand on cars all around the world.

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