- JohnLv 71 十年前最愛解答
 Sources of air pollution
Anthropogenic sources (human activity) related to burning different kinds of fuel
Dust storm approaching Stratford, Texas
Using a controlled burn on a field in South Georgia in preparation for spring planting.
Combustion-fired power plants
Controlled burn practices used in agriculture and forestry management
Motor vehicles generating air pollution emissions.
Marine vessels, such as container ships or cruise ships, and related port air pollution.
Burning wood, fireplaces, stoves, furnaces and incinerators
Other anthropogenic sources
Oil refining, power plant operation and industrial activity in general.
Chemicals, dust and crop waste burning in farming, (see Dust Bowl).
Fumes from paint, hair spray varnish, aerosol sprays and other solvents.
Waste deposition in landfills, which generate methane.
Military uses, such as nuclear weapons, toxic gases, germ warfare and rocketry.
Dust from natural sources, usually large areas of land with little or no vegetation.
Methane, emitted by the digestion of food by animals, for example cattle.
Pine trees, which emit volatile organic compounds (VOCs).
Radon gas from radioactive decay within the Earth's crust.
Smoke and carbon monoxide from wildfires.
Volcanic activity, which produce sulfur, chlorine, and ash particulates.
- 1 十年前
- 1 十年前
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