隨著中國經濟的發展及加入世貿組織,轎車將越來越多地進入普通家庭。一方面，刺激了經濟的發展，方便了人們的生活;另一方面， 造成了嚴重的環境污染。請就此問題寫一篇文章，詞數120左右。
my name is rachael. when i grow up, i want to be a biology teacher because then i could teach children about the environment. i think that the world is a wonderful place, but i worry about it. people don't care about nature. they only care about making lots of money. they should remember that if we destroy all the trees, then we will not survive. i get sad, too, when people kill each other. grown ups play silly games sometimes. it's no fun.