This year the ozon hole opened due the global warming that is increasingly dangerous. Last year the ozon hole has a diameter of 24.83 square kilometres and this year extend into 26.88 square kilometres. This is triggering global warming. This is very dangerous because the ozon layer has a role to absorb ultraviolet radiation from the sun.
This should be a warning for all of us for global warming thai is increasingly concerned about the years. Many problems will appear in line because of global warming, that's whty we as human beings should have been friendly to the environment, so that the situation doesn't become severe. All we know how global warning danger if this continues and more severe, there will be no comford in the earth.
As has shown that the global warming have caused glaciers melt and sea level rise several centimetre. The thickness of polar be reduced and the phenomenon is increasing fast enough.