Study on Atmosphere Pollution

【Abstract】Why was the atmosphere pollution？ Factories and automobile exhaust are the major reasons.

【Key words】 industrial pollution; straw burning;recycling resource

Now the air we breathe is polluted. Why was the atmosphere pollution？ Factories and automobile exhaust are the major reasons. Atmospheric pollution material including nitrogen oxides （NOx）， particle state substances （SPM）， carbon dioxide （CO2）， etc. Air pollution which harmful to our health is also one of the reasons of global warming. Let us see about cause， the present situation and countermeasures of air pollution.

1. Industrial pollution

Air pollution there must have a close relation with industrial wastes. On the one hand， factories are continuously producing air-borne emissions. On the other hand， large area of farmland and woods are turned into industrial land， thus causing a weakened function of vegetation purifying air.

Although there are many examples that cities go for economic growth in sacrifice of environment and repair the environment after becoming rich， we need not necessarily repeat the model of “pollution first， treatment later” in the course of industrialization. I think we can report those factories to local environmental protection agency， forcing them to release waste gases after treating through legal procedures. We can also use the power of public opinion by posting those factories in the internet.

2. Straw burning

It is not uncommon to see people burning crop straw in rural area. First， when burning straw， the three pollution index of sulfur dioxide， nitrogen dioxide and repairable particulate matter in the atmosphere reaches peak， which damages human health. Secondly， straw burning can easily cause fire if there are combustibles around. Thirdly， straw burning can cause ground temperature to rise rapidly， killing beneficial microbes in soil， affecting the full absorption of plant to soil nutrients， decreasing the yield of crop.

Actually， the local government has sent supervision teams to all cities to monitor straw burning. Unfortunately， supervision is difficult and to avoid detection， some farmers choose to not burn straw during daytime but in the evening or on cloudy days. To solve this problem， both government and residents should get involved. Local government should set up more straw collection spots so that residents can find the nearest spot to them.

In recent years， various countries to improve the air pollution in take measures. But around the atmospheric pollution， we still have a lot of problems cannot be resolved .From completely improve， there is a great distance. The world watches the atmospheric pollution caused by global warming. If we paid a little attention from everyday life to improving under atmospheric pollution， it will help. For " " example， energy saving is a good habit when we go out of the room to turn off the lights and standby power cuts recycling resource.

References：

Changsheng Qu， Bing Li， Haisuo Wu and John P. Giesy（2012）， Controlling Air Pollution from Straw Burning in China Calls for Efficient Recycling， Environ. Sci.