The meaning of global warming is the increase in temperature on the surface of the Earth that nature in the past century in a range, with the main factor is that greenhouse gases from fossil fuel energy metabolism average temperature on the surface of the Earth to rise from 0.6 a 0.9 1.1 1.6 degrees Celsius or Fahrenheit as in the interval between 1906 and 2005 was to increase the rate of temperature increase together 2 times during the past 50 years. As a result, the Earth's temperature is rising gradually.
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