The main effect for global warming is the changing in weather condition from rain to temperature. Many countries had been effected with extreme weather condition such as hurricane and rain flooding. An example for hurricane is Katrina hurricane that hit the
. It caused many loses in humans, economy and all the facilities in the area that been hit by the hurricane. More than 1800 people dead in the storm and it caused damages estimated to reach $81billion. Another extreme weather condition is the heat waves. Heat waves happen mostly in summer when the temperature goes up more than the normal for several days with high humidity. In the summer of 2003 more than 34000 people dead in USA Europe because of a heat wave.