Ключевые слова: abstract, adventure, agriculture, air, atmosphere, background, beautiful, calm, carbon, change, chemical, clear, climate, climbing, clouds, co2, color, concept, conservation, contamination, country, damage, danger, dark, design, destruction, dioxide, ecology, emission, emissions, energy, environment, environmental, evergreen, fog, foggy, forest, gas, global, green, haze, hiking, hills, holiday, industry, inscription, journey, landscape, misty, mitigation, moody, morning, mountain, natural, nature, outdoors, ozone, panoramic, peaceful, picturesque, pine, pollution, range, reduction, rock, scenery, scenic, sky, smog, spooky, summer, tourism, travel, tree, trip, vacation, view, wanderlust, weather, wilderness, woods,