We can not deny that world is developing faster than we can imagine,But we also must admit that it is at the cost of destroying our environment.Air pollution kills thousand people every year.Short water supply threatens people's lives in many areas.How many trees and grass have lost from your vision?How many rivers and lake are making ways for roads and buildings?We are at the breaking point.It is the high time to save our environment.Do it right now,let us make some difference.
