Ключевые слова: abstract, acid, air, atmosphere, aura, chemical, climate, cloud, clouds, clubs, condensation, dense, dirty, ecology, effect, emission, energy, environment, environmental, exhaust, flowing, fog, fume, gas, global, haze, light, manufacturing, mist, nature, ozone, pattern, polluting, process, shape, sky, smog, smoke, steam, stream, sulfur, toxic, vapor, waste, wave, white, wind,