POLLUTION!!!!!

Pollution is more and more dangerous nowadays..When the country develop next level,many country do not realize the dangerous of pollution....The level of pollution is increasing everyday..Pollution generally can be divided to sound pollution,air pollution, and water pollution.Pollution can cause big effects to our health and ecosystem.Pollution can cause many new diseases that harmful to our health.If we do not try to control the pollution,our next generation will lack of water,oxygen and food and it is very hard for them to survive in this world.We should understand that how important oxygen to our health and without oxygen ,we can not survive anymore..



For further information,please go to
http://en.wikipedia.org/wiki/Pollution