earth polluted with smoke from factories.
Schlüsselwörter
pollution,
environment,
earth,
smoke,
global warming,
factory,
climate change,
air pollution,
greenhouse effect,
ecosystem,
contamination,
atmosphere,
danger,
risk,
coal,
greenhouse,
industry,
hazard,
toxic,
destruction,
catastrophy,
ruin,
dirty,
smokestack,
emission,
crisis,
planet,
globe,
problem,
endanger,
natural,
earth,
damage,
unhealthy,
disaster,
carbon,
gas,
environmental
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