Ключевые слова: air, atmosphere, blue, carbon, chemical, chimney, climate, cloud, co2, coal, condensation, damage, dioxide, dirty, ecology, emission, emissions, energy, environment, environmental, exhaust, factory, fuel, fumes, gas, global, industrial, industry, manufacturing, nature, ozone, pipe, plant, pollution, power, refinery, sky, smog, smoke, smokestack, stack, station, steam, substance, technology, tower, toxic, vapor, warming, white,