human thought the earth's air and water is inexhaustible, so do not worry about the tens of millions of tons of waste gas into the sky, and the billions of tons of rubbish into the rivers and the sea. Everyone thinks that the world is so big, a little waste anything, we are wrong, in fact, the earth is large (6371 km radius), but only to a range of -11 km of biological life at an altitude of 8 km, which accounted for 95% of the creatures can only live in the middle range of about 3 kilometers, it was wanton from three aspects this limited environment pollution.

Land pollution: waste disposal has become an important issue in every city, every million tons of garbage, many are not incineration or corrupt, such as atmospheric pollution of plastic, rubber, glass and other human

Marine pollution: mainly is leaking from the oil tanker with crude oil, farmland use of pesticides and fertilizers, the waste water from factories, acidic solution mine outflow; they make most of the marine lakes are contaminated, not only the results of marine creatures suffer, birds and humans may also poisoned by eating these creatures. Water is the source of life, we need to protect it.

Air pollution: This is the most direct and serious, mainly from factories, cars, power plants emit carbon monoxide and hydrogen sulfide, there are people from exposure to these dirty air and contracted respiratory or visual organ disease every day. If we still ignore experts warned, will have a fall can live without half inches of pure point. Thick smoke, was wanton destruction of our homes!