Ключевые слова: abstract, air, atmosphere, backdrop, background, beautiful, beauty, blue, bright, carbon, change, chemical, chemistry, clear, climate, cloud, clouds, cloudscape, cloudy, co2, color, concept, conceptual, conservation, contaminated, contamination, damage, danger, day, design, destruction, dioxide, disaster, ecology, emissions, energy, environment, environmental, fluffy, freedom, gas, global, heaven, high, idyllic, industrial, industry, light, meteorology, natural, nature, open, outdoors, outside, ozone, pattern, picturesque, pollution, pure, purity, scene, scenery, scenic, season, sky, skyline, smog, space, spring, summer, sunlight, sunny, sunshine, symbol, view, wallpaper, weather, white, wind,