Ключевые слова: abstract, aerial, air, atmosphere, backdrop, background, beautiful, blue, bright, calm, carbon, change, chemical, clean, climate, cloud, clouds, cloudscape, cloudy, co2, color, commitment, concept, conservation, contamination, control, cumulus, damage, danger, day, dioxide, disaster, eco, ecology, effect, emissions, energy, environment, environmental, flight, fluffy, fly, formula, freedom, gas, global, greenhouse, heaven, high, idyllic, illustration, industrial, industry, landscape, meteorology, nature, nobody, outdoors, outside, ozone, peaceful, picturesque, plant, pollution, quite, scene, scenery, scenic, season, sign, sky, smog, smoke, stratosphere, symbol, technology, toxic, tranquil, view, wallpaper, warming, weather, white,