Smoking industrial pipe on gray sky

Keywords:

smoke, chimney, factory, industry, burning, power, substance, gray, fossil, generation, fuel, pipe, pollution, toxic, warming, global, environment, dirty, generator, sign, cloud, stack, chemistry, asthmatic, insert, tower, coal, vapor, symbol, refinery, dioxide, technology, respiratory, ominous, overcast, fumes, smog, danger, warning, trail, white, exhaust, chemical, steam, city, garbage, sky, air, texture,