In the north of China, airbornepollution derives from coal combustion emission, in which TSP and SO_2 are main pollutants.
我国北方大气污染的主要来源是煤烟型污染，以tsp和SO_2污染为主。
2
The paper analysed the gravity and harmfulness of motor vehicle exhaust pollution from airbornepollution condition and proposed relative countermeasure.
论述汽车有害排放物的危害、生成机理与控制技术 ，就宁波市控制汽车排气污染问题提出若干建议 。
3
Forests need to be managed so that risks and impacts of unwanted disturbances are minimized, including wildfires, airbornepollution, storm felling, invasive species, pests, diseases and insects.