Saturday, April 21, 2007

Global Warming


Global warming these days makes people afraid. No one knows what will happen to them? It is increasing every year and people are try to find solution to this problem.
What is Global Warming?
Global warming is increaseing the temperature the surface air and oceans. It is still increasing until reaches the atmosphere. Then the atmosphere traps CO2 for a long time and that causes the Earth to heat. A survey said that a globally, average temperatur has increased since the mid-20th century and this is because the anthropogenic greenhouse gas concentrations. Other generations of global warming include solar variation and volcanoes.


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