Ключевые слова: air, atmosphere, blue, chemical, chimney, climate, co2, coal, contamination, damage, dioxide, dirty, ecology, emission, energy, environment, environmental, exhaust, factory, fume, fumes, gas, global, high, industrial, industry, manufacturing, nature, pipe, plant, pollution, power, red, refinery, sky, smog, smoke, smokestack, stack, station, steam, structure, technology, tower, toxic, vapor, vapour, warming, waste, white,