Ключевые слова: air, atmosphere, blue, building, chemical, chemicals, chimney, climate, cloud, contamination, damage, dioxide, dirty, ecology, emissions, energy, environment, environmental, exhaust, factory, fuel, fume, fumes, gas, global, heat station, high, industrial, industry, manufacturing, nature, pipe, plans, pollution, power, production, refinery, sky, smog, smoke, smokestack, station, steam, technology, tower, toxic, vapor, warming, waste, white,