Ключевые слова: abstract, background, blue, care, clean, color, concept, day, design, drink, drop, earth, eco, ecology, energy, environment, environmental, forest, fresh, friendly, global, globe, green, health, healthy, international, life, light, liquid, map, natural, nature, planet, plant, rain, recycle, ripple, save, sphere, splash, sustainability, sustainable, tree, wallpaper, water, wave, world,