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How Do Humans Contribute to the Greenhouse Effect?
How Do Humans Contribute to the Greenhouse Effect? <ul><li>Burning natural gas, coal and oil  -raises the level of carbon ...
The burning of fossil fuels  NST  2007/05/03 GLOBAL WARMING: Final warning...
How Do Humans Contribute to the  Greenhouse  Effect? <ul><li>Methane gas Emissions is the Biggest Problem. </li></ul>
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How humans contribute to global warming?

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How humans contribute to global warming?

  1. 1. How Do Humans Contribute to the Greenhouse Effect?
  2. 2. How Do Humans Contribute to the Greenhouse Effect? <ul><li>Burning natural gas, coal and oil -raises the level of carbon dioxide in the atmosphere. </li></ul><ul><li>Some farming practices increases the levels of methane and nitrous oxide. </li></ul><ul><li>Deforestation also contributes to global warming. </li></ul><ul><li>Industrial gases from factories (sulphur dioxide, nitrogen dioxide) </li></ul>
  3. 3. The burning of fossil fuels NST 2007/05/03 GLOBAL WARMING: Final warning...
  4. 4. How Do Humans Contribute to the Greenhouse Effect? <ul><li>Methane gas Emissions is the Biggest Problem. </li></ul>

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