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The Greenhouse Effect

A greenhouse gas is a gas in an atmosphere that absorbs and emits radiation within the thermal
infrared range. This process is the fundamental cause of the greenhouse effect.

Greenhouse effect is often confused with global warming. It is believed that greenhouse effect causes
global warming however,…

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Facts:
Many of the greenhouse gases are naturally occurring, which is the cause of natural global
warming. Without naturally occurring greenhouse gases, the earth's
surface temperature would average 33 degrees Celsius cooler.
Over the past 250 years, carbon dioxide levels have increased by 25%.
In the past 15 to 20…

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chlorofluorocarbons

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