air pollution
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Photo credit: © miR156 / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: air, atmosphere, building, carbon, change, chemical, chimney, climate, danger, dioxide, dirty, ecology, electricity, emision, emission, energy, environment, facility, factory, fog, fumes, gas, global, industrial, industry, manufacturing, philadelphia, pipe, plant, pollute, pollution, power, production, sky, smog, smoke, steam, technology, tower, warming