The Natural Disaster

There are many natural disaster over the word in couple years. The 88 flood disaster which is in Taiwan has 677 people died and 22 people lost last year.The 8.8 grades earthquake which is in Chile has couple hundreds of people died and millions of house broken.The 2004 Indian Ocean Earthquake has 230000 people died. The expert predicts that the temperature of earth will be raised and the ice of the North Pole will be dissolved.So the sea level will be high from 15cm to 95cn in 2100.What is happen on this earth?The fact that people destory environment lead to earth sicked. The flood disaster happen is because of over development on mount. The teamperature raising is because of destory environmental,inducstrial pollution and so on.I think the earthquke is to over get oil in the earth but there is no any proof.Anyway, There should be a cause to lead to the natural disater happen.