在世界地球日the World Earth Day来临之际，作为某国际中学的学生会主席，你代表学生会写一份倡议书，号召同学们采取行动保护地球。内容包括：
1.我们的地球已遭到严重污染；
2.保护地球的方式：减少污染、节约能源、保护生物等；
3.号召同学们立即行动起来。
注意：
1.词数80左右；
2.可以适当增加细节，以使行文连贯。
Dear schoolmates，
                                                                                                                                                 

【考点】提纲作文；倡议书；厉行节约．

【答案】Dear schoolmates，
   As we all know，the earth is in bad condition.In some places，the air and water pollution is so serious that it causes many dejye.aihs.At the same time，many animals and plants are in danger because of the destruction of their habitats.
  Luckily，we human beings can do a lot to improve the condition.First of all，not only should we choose public transport instead of private vehicles ，but we also need to apply energy-efficient equipment.In addition，we can pick up rubbish whenever we find it.What's more，we are supposed to call on more people to take action and make every day Earth Day.
  With Earth Day approaching ，I firmly advocate everyone to care about the planet we live on.
Students' Union