Global warming (Global Warming) means that the average temperature of the air on the rise all over the world. Why cause global warming because greenhouse gases rising from the activities of humans. Whether it is the coal combustion and fuel. There are chemicals, including the ingredients of the greenhouse gases that humans use these greenhouse gases, thus making possible combination on the atmosphere of the Earth. The Sun's rays should be reflected back out in the appropriate quantity. Reverse these greenhouse gases are stored to prevent. The Earth's temperature to rise gradually from the original.
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