oral presentation draft - the changes of global climate

  Usually, people are informed of information concerning to the weather forecast through broadcast, newspaper and the internet. The land scale of the America is too sizable, nearly containing all types of weather； therefore, the hot weather in Los Angeles may be contrast to the one in New York which is humid, cold and rainy day. 

  Natural disaster occurs annually ,especially earthquake , tornado , flood and hurricane. Every county and every state all has spacial group for specific disaster. If serious disaster happened, national guard will serve the assistance and also do the federal government. Seriously affected citizen can retrieve disaster insurance from the government. Numerous people insure accidentally disaster insurance such as flood , fire insurance and earthquake insurance. If serious disaster occurs internationally, that would be effective help.