Saving Our Environment

This is one of the topic from Year 5 textbook. It is happening all around us. However, what is actually global warming. Some of us did not realize this problems that happen around us will give negative impact to our lives.. Let's see some video about global warming.........


http://www.youtube.com/watch?v=MoErCbT7_D4
http://www.youtube.com/watch?v=dI4-t7ujgyg&feature=related
http://www.youtube.com/watch?v=Q5kMptrFpC8&feature=related
http://www.youtube.com/watch?v=bHUnzPEy-nA&feature=related

From this video, I'm sure all of you know what is really meaning of global warming...
Why don't you make an essay base from the question below:

1. How global warming happened ?
2. Explain the process of global warming ?
3. What should we do to avoid this problem ?
4. Why global warming become more serious ?
5. Gives your opinion about global warming ?

You can asks your English teacher to mark your essay.....