Global+Warming


 * Global Warming **

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an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
[|PROS/CONS] [|About global warming] 

Global Warming is an increase in air and water temperatures. it is very likely to have an impact on our planet and its life. Since the late 1800s the average temperature has increased about 0.7-1.4 degrees. many experts say that the average temperature will rise 2.5 to 10.4 degrees.