树木对于地球的意义格外重要，树木可以调节气候、净化空气、防风降噪，是人类最好的朋友。树木是氧气制造厂。一公顷阔叶林1天可以吸收一吨二氧化碳，释放出 0．73吨氧气。植树节来临，你知道怎么用英语介绍植树节吗？下面，我们一起来看看吧。

　　Planting Trees Day comes on March 12 every year. Do you know what can we do to help on the day?
　　每年的03月12日是植树节，你知道在这天我们要做些什么吗？

　　In China， Planting Trees Day is on March 12. This special day began in 1979. On that day， people can plant many trees. And if we plant trees more， we must also take care of the trees by watering them until they grow up to be strong. In different countries， Planting Trees Days are on different days. Like in India， Planting Trees Day is on July 1.
　　在中国，植树节在03月12日。这特殊日子在1979年开始。在那一天，人们要种许多的树。如果我们种了许多的树木，我们必须照顾好它们，并按时浇水，直到它们茁壮成长。在不同国家，植树节在不同的日子。例如在印度，植树节在07月01日。

　　Why do the people plant trees? It is very easy. Because they want to protect the environment. There are many people who want to earn the money form only cutting down trees. So more and more trees are cut by them. But kind people want to protect the environment and make the air clean. So they plant trees as many as they can.
　　为什么人们要植树？这很简单。因为他们想要保卫环境。有许多想要通过砍伐树木来挣钱的人。那样越来越多树被他们砍断。但是善良人们想要保卫环境和使空气变得干净。因此他们尽最大努力的植树。

　　All these actions show that people should pay more attention to the environment. We want to make it better， don’t we? So we must plant more trees to protect the environment.
　　所有这些行动展示人们将去更多的注意环境。我们希望变得更好，不是吗？所以我们必须植更多的树来保护环境。

　　So， everyone， if you want to make the air clean， please try your best to protect the environment and plant more trees.
　　因此，每个人，如果你想要使空气变得干净，那么请更好的保护环境和种更多的树。

　　小结：植树造林是创造良好生态环境、为后人造福的一件大好事，参加植树既是一种义务，更是一种责任，全社会都应积极行动起来，植树造林，绿化家园，让我们生存的这片土地更绿、更美。