Ключевые слова: air, atmosphere, blue, building, chemical, city, climate, coal, damage, danger, dioxide, dirty, ecology, electricity, emissions, energy, environment, environmental, exhaust, fog, fuel, fumes, gas, generation, global, industrial, industry, metallurgy, nature, nuclear, out, ozone, pipe, pollution, power, safety, saving, silhouette, sky, smog, station, steam, storage, technology, territory, tower, toxic, warming, weather, white,