Tree "mission"

Tree guards to protect the natural environment,The survival of mankind can continue to guarantee the face of the earth.Trees give us the happiness of mankind,Some of you can feel,Some of it is you feel like you can not,It is not only that we appreciate, Also available for industrial, pharmaceutical and so on.
The choice of this topic to let us start with their own things around them,What we really need to understand what is what to do,Feasible to do real things.Topics in this study, we integrate science, mathematics, moral and other areas related to knowledge,Through the network to find information on books, visit the investigation, hands-on experience, field visits and other forms to complete the event, So as to enhance our capacity.
Finally, I hope the students study in this topic can benefit,Come on! Students!