急!求一篇初中英语演讲稿,题材活泼一点的,不超过3分钟,最好可以加上动作的.

Scientists found that climate change became more and more unusual in recent years, not only may it cause many problems such as global warming, nature calamities, and so on, but also it can affect your life. Unusual climate change would let you feel uncomfortable, and affect your study and work. Therefore, everyone has responsibility to pay attention to it; furthermore, you need to do everything in your power to make the climate better and better. However, at first, you need to understand two things: the meaning of climate change, and two important factors of climate change: natural causes, and human causes. This essay is going to talk about these two things.

At first, you must understand the meaning of climate change. It means any long-term significant change in the average weather, which may include average temperature, precipitation, wind patterns and so on. For example, Australia is experiencing rapid climate change. Since the middle of the twentieth century, Australia