我校将举行高中英语口语比赛，征求一篇3分钟的演讲稿，谢谢.

Good afternoon, ladies and gentlemen! It is really my great pleasure to stand here and share with you something about our environment.

Do you know the story The Last Leaf by O. Henry? “When the last leaf falls, I will go and my life will have to end.” This is what Johnsy said when she was in despair, she feared that she would “turn loose hold on everything and go sailing down, down, just like one of those poor leaves. ”

Of course, I am here not to talk about the story with you, but just imagine: if the last leaf in the world fell and the last tree were cut down, what would our life be like? I am sorry to give you such an unpleasant problem to think about, but this is exactly what we are supposed to think about.

Some of you may be mumbling in your heart: hey, are you joking? The last leaf? Look, green plants around here, that day is much too far away from us! But is it? Trees are being cut down everywhere in the world and I’d like just tell of one res