Name me two sources of air pollution .? -Other

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Name me two sources of air pollution .? And two actions that the Singapore goverment has taken to reduce air pollution in Singapore.

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3 months ago

and two actions that the goverment has taken to reduce air pollution. No need to say about Singapore goverment

3 months ago

I mean 4 actions,2 of which come from the source.
http://en.wikipedia.org/wiki/Air_quality

Sources of air pollution are cars, buses, trucks, factories, trains, airplanes, ships, coal power plants, mining, and i don%26#039;t know anything about Singapore.
so is burning trash ,tires .leaves ,

the emissions of car exhausts

and the millions of pressurized aerosol cans
for suntan oil,hair sprays shaving cream,etc.
There are many factor which are affected to air . there are some factor like factories fume and jungle fires. These are badly affected to the air and polluted the air . But some other actor like inorganic fuels, vehicle fumes etc ....etc
cars
fossil fuel power plants
dunno anything about singapore though-sorry source: my own knoledge, dictionary
Aarvark farts and tire fires.
smoke
cars

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