Desertification is a process. In many parts of the world, the desert is spreading and the experts have tired to find all the ways to stop the cropland from being desert.
People around the world may feel that the climate has been getting steadily warmer and warmer in recent years. Places which used to be abundant in snowfall have frequently experienced snowfree(无雪的) wi
Many people believe that human activity is causing the earths temperature to rise. They say that this global warming will have dreadful consequences for our environment, such as drought and flooding.
关于自然灾害Natural Disasters的英语作文 In the past hundred years, there have heen frequent natural disasters, such as floods, droughts, mud-rock flows, seismic sea waves, earthquakes, windstorms and the stretch