| There has been much discussion, both
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| | This type of radiation is heat that is
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| among experts and lay people about the
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| | radiating away from a warm object. During
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| 'greenhouse effect'. The greenhouse
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| | the day, the Earth is warmed by sunlight,
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| effect is a term that refers to changes
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| | and at night, the Earth cools off by
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| in the Earth's atmospheric composition,
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| | radiating the heat back into space in the
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| which have been related to the warming of
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| | form of infrared radiation. Carbon
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| our planet. There is a growing amount of
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| | dioxide, and other gases to some extent,
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| evidence that human activities,
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| | absorb this radiation and limit its exit
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| particularly those relating to the
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| | into space. Therefore, the natural
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| burning of fossil fuels like oil and
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| | cooling mechanism is thwarted.
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| coal, are major contributors to the
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| | While it may seem that eliminating the
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| greenhouse effect. The predicted
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| | greenhouse effect would be the best
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| consequences for the planet as a result
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| | strategy, this is not what we want to do.
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| of the greenhouse effect are extremely
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| | Water vapor represents another element in
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| serious. They include major changes in
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| | the heat-absorbing process. There is a
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| the climate that will have an impact on
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| | great amount of water vapor in the
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| food production and rising sea levels,
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| | atmosphere at all times. This is why we
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| which will put many coastal and other
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| | experience rain. We need the water vapor
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| low-lying communities under water.
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| | in the atmosphere to keep the Earth at
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| Additional information that we have
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| | its normal, comfortable temperature.
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| learned about the planet Venus provide a
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| | Without the warmth created by water
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| frightening example of the greenhouse
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| | vapor, the planet would freeze, and that
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| effect. Venus has a very dense atmosphere
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| | would be the end of life as we know it.
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| made up of gases. The planet has what has
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| | Therefore, we need to have some degree of
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| been described as a 'runaway greenhouse
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| | the 'greenhouse effect' in order to
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| effect.' It has surface temperature of
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| | maintain life on Earth.
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| about 800 degrees Fahrenheit.
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| | We need to strike a balance. Mother
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| Experts generally point to gases like
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| | Nature is telling us, again, what we
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| carbon dioxide as the main contributors
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| | should already have learned by now - in
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| to the greenhouse effect. Carbon dioxide,
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| | any situation, extremes of any kind cause
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| which is a gas that is exhaled by
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| | harm.
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| everyone, can absorb infrared radiation.
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