你校英文报将以"三月十二日中国植树节（National Tree Planting Day）"为主题，举行征文比赛。请写一篇短文投稿，内容包括：
（1）简要介绍植树节；
（2）说明树木的重要性；
（3）呼吁履行植树义务。
注意：
（1）写作词数应为80左右
（2）请按如下格式在答题卡的相应位置作答。
Planting Trees for our Future_______

【考点】主题式．

【答案】Planting Trees for our FutureNational Tree Planting Day is held on March 12 every year，when millions of volunteers，both young and old，plant trees in schools，parks，city gardens and the countryside.
As we all know，trees are very important not only to the environment but also to humans.From improving air quality to fighting against climate change，trees play a vital role.In addition，they provide habitats and food for many species of wildlife.
Therefore，we each should do our bit by participating in voluntary tree planting activity.With perseverance and accumulated efforts，we will be able to make the environment better.