Air pollution
Schlüsselwörter
contamination,
coal,
smokestack,
emission,
environment,
pollution,
industry,
chimney,
power plant,
energy,
exhalation,
atmosphere,
exhaust,
factory,
fume,
burning,
dirty,
global warming,
power,
gas,
dust,
red,
sky,
smog,
fossil,
smoke,
stack,
station,
tall,
toxic,
waste,
white,
blue,
climate,
dioxide,
carbon,
burn
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