Air pollution

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Size: 5308px × 3539px
Photo credit: © powells / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, big, blue, change, chimney, climate, cloud, clouds, coal, dirty, ecology, economy, electricity, emission, emissions, energy, environment, environmental, exhaust, factory, global, heavy, industrial, industrie, matter, metal, nature, particulate, plant, pollutants, pollution, power, problem, protection, quality, refinery, sky, slag, smog, smoke, smoking, solder, steam, steel, toxic, train, vapor, warming, water, white, wind