The Cause of Global Warming

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    What causes global warming? You do,silly!
    Kevin Cummins
    Sierra Club Volunteer
    Increases in carbon dioxide cause the earth to get warmer
    Greenhouse gases such as carbon dioxide (CO2) (plus other gases like methane) in the atmosphere absorb heat radiating from the earth.
    This trapped heat increases the evaporation of water from the oceans into the air to cause a greater increase in warming of the atmosphere. CO2 has a forcing effect on climate.
    The combined effect of water vapor, carbon dioxide and methane controls the temperature of the earth.
    Carbon dioxide in the atmosphere plays a key role in making our planet liveable.
    It allows sun light to pass through the atmosphere and warm the earth.
    It also traps or absorbs some of the heat which radiates from the earth back into space.
    The warming effect caused by carbon dioxide absorbing the radiant heat from the earth causes water vapor to evaporate from the earth. The water vapor in the atmosphere absorbs even more radiant heat than the carbon dioxide which helps make our planet liveable.
    This thin layer of atmosphere thus acts as a “blanket” to make the planet earth liveable
    Source: OSTP
    The Greenhouse Effect and Global Warming
    Greenhouse Analogy: Anyone who has visited a greenhouse for growing plants or sat in a parked car with the windows closed on a warm summer day has experienced the principle behind global warming. The sunlight goes through the glass and the heat is trapped inside.
    The gases in the atmosphere surroundi

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    What causes global warming? You do,silly!
    Kevin Cummins
    Sierra Club Volunteer
    Increases in carbon dioxide cause the earth to get warmer
    Greenhouse gases such as carbon dioxide (CO2) (plus other gases like methane) in the atmosphere absorb heat radiating from the earth.
    This trapped heat increases the evaporation of water from the oceans into the air to cause a greater increase in warming of the atmosphere. CO2 has a forcing effect on climate.
    The combined effect of water vapor, carbon dioxide..

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