Air pollution from smoke coming out of factory chimneys.
Keywords
pollution,
smoke,
factory,
chimney,
industry,
steam,
chemical,
plant,
environment,
pipe,
gas,
toxic,
industrial,
air,
sky,
smog,
energy,
exhaust,
atmosphere,
dirty,
global,
ecology,
manufacturing,
climate,
refinery,
technology,
pollute,
dioxide,
carbon,
emission,
fog,
fume,
vapour,
warming,
tower,
fuel,
production,
power plant,
sunlight,
carbon dioxide,
outdoors,
smokestack,
blue,
copy space,
garbage,
ecological,
damage,
background