1.Flood is very dangerous. You should prepare yourself for this natural aster. First, you should try to watch the weather forecast regularly to -- late news. Secondly, you should prepare the tent, food, medical supplies, fashlights, clothes and money. Thirdly, you should find and prepare a safe shelter and a small boat to stay if flood happens. You should learn from TV or Estemet to know how to follow the routines of actions for emergency cases.
2.
Environmental pollution is a natural disaster that humanity has suffered over time. Carcasses, animal carcasses, scattered everywhere make the clean air disappear instead of foul air. Life is at stake. Today, there are many good and useful programs on the environment: green knight, golden environment, rubbish hand ... and also people react. But the environment has not been thoroughly improved. There are many ways to protect the environment: do not litter indiscriminately, do not paint, graffiti, ... I myself are also trying to do these things. Everyone let's join hands!