the causes of climate change

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  • The Causes of Climate Change
    • changing concentrations of greenhouse gases e.g. carbon dioxide, methane and nitrous oxide
      • allow sunlight to pass through the earth's atmosphere but trap the heat that is radiated back towards space
      • without them the Earth would be minus 18 degrees celcius
    • external forcing
      • the amount of sunlight reaching Earth is reduced or increased because of changes in the sun's activity/earth's distance from the sun


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