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Global warming

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  • 1. Global warming
  • 2. Whatis global warming?
    Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation.
    Global surface temperature increased during the last century.
    The most of the observed temperature increase is caused by increasing concentrations of greenhouse gases resulting from human activity such as fossil fuel burning and deforestation.
  • 3. Reasons for global warming
    The use of aerosols which containCFCS;
    Burning forests;
    Co2 emissions in the ozone layer by factories and vehicles;
    Rising carbon dioxide levels
    Burning of fossil fuels
    Increasing industry
    Greenhouse gases
    Deteriorating the ozone
  • 4. Consequencesof global warming
    Rising temperatures
    Decreased terrestrial coast
    The Arctic and Greenland are melting
    Hurricanes are becoming stronger
    Brazil and other countries on the route of cyclones
    The sea level is rising
    Deserts are growing
    Deaths are increasing
  • 5. Videoabout global warming