Every past time,we realize the scarcity of the water resourses in our country more obviously.The amount of rains are getting little and little.Also the greens become rare.In that case,we don't even care instead of forming a set of rules to make the forests,naturally the water resourses,more and more.I think the simplest thing is planting trees.It will make our hood both nice and healthy.The second thing to do is making people conscious about the stiuation.