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April 22 is Earth Day. Everyone on earth should care about and protect the earth!
The earth has warmed by about 1℉ (华氏度) over the past 100 years, but why and how? Well, scientists are not quite sure. Maybe the earth gets warmer and warmer on its own. But many scientists say that people are doing many things which makes the earth warmer.
First, greenhouse effect (温室效应) is a very important reason for the change of the earth. People give out too much energy into the air every year. It makes the earth warmer. Climate (气候) change is another important reason. Sometimes it becomes too hot and sometimes too cold. Sometimes there is too much rain and sometimes too little. The change of the climate makes the earth warmer. In return, the warmth of the earth changes the climate, too.
When the earth becomes warmer, there may be more rain and a rise in sea level. It will affect the growth of plants, animals and people. On a Pacific island, 100 people have to move to higher ground because the sea is rising. These people can no longer live on the coast. Before that, two islands without people went underwater in 1999. Scientists say that the seas can rise by nearly one meter by 2100.
People can affect the earth's air, land and water. As for us, we can do many things to protect the earth. For example, we can use fridges less. We can tell more people about protecting the earth.
四月二十二日是地球日。地球上的每个人应该关心和保护地球！地球已经上升了1℉（华氏度）在过去100年，但为什么和怎样？好的，科学家也不确信。也许地球变得越来越暖和的。但许多科学家说人们正在做许多事情，使地球变暖。首先，温室效应（温室效应）是一个非常重要的原因，地球的变化。人们把太多的精力到空气中每一年。它使地球变暖。气候变化（气候）是另一个重要原因。有时变得很热，有时冷。有时有太多的雨，有时太小。气候的变化使地球变暖。作为回报，地球的温暖气候的变化，也。当地球变暖，可能有更多的降雨和海平面上升。它会影响植物的生长，动物和人。太平洋岛屿上，有100人到较高的地面因为海上升。这些人可以不再生活在海岸。在这之前，没有人去岛水下1999。科学家说，海洋会上升一米2100。人们会影响地球的空气，土地和水。至于我们，我们可以做很多事情来保护地球。例如，我们可以使用冰箱少。我们可以告诉人们保护地球。