Environmental protection is the world's attention, most concerned about. Although our strength is a small, but can be around some little contribution made for environmental protection; for example the most simple, run out of water readily tap or shutting off the lights when leaving, these things are simple, you can still be true, causing a serious waste of resources on the Earth is valuable, is limited, if we now also does not pay attention to, then the world's last drop really want to become our tears, our beautiful blue planet will also be destroyed by human hands.